List of Sanford L.P. patents

Patents where

Current Assignee

Name

‌

Sanford L.P.

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 11407248 Retractable nosecone writing instrument	Patent 11407248 was granted and assigned to Sanford L.P. on August, 2022 by the United States Patent and Trademark Office.	‌ Sanford L.P.	‌ Sanford L.P.	United States Patent and Trademark Office	11407248	August 9, 2022
‌ US Patent 8664156 Irreversible thermochromic ink compositions	Patent 8664156 was granted and assigned to Sanford L.P. on March, 2014 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	8664156	March 4, 2014
‌ US Patent 7275881 Control of dual printing mechanisms	Patent 7275881 was granted and assigned to Sanford L.P. on October, 2007 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7275881	October 2, 2007
‌ US Patent 7637678 System and method for determining the status of a label in a roll of label stock	Patent 7637678 was granted and assigned to Sanford L.P. on December, 2009 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7637678	December 29, 2009
‌ US Patent 9980547 Writing instrument case	Patent 9980547 was granted and assigned to Sanford L.P. on May, 2018 by the United States Patent and Trademark Office.	‌ Sanford L.P.	‌ Sanford L.P.	United States Patent and Trademark Office	9980547	May 29, 2018
‌ US Patent 12103330 Sharpeners for writing instruments	Patent 12103330 was granted and assigned to Sanford L.P. on October, 2024 by the United States Patent and Trademark Office.	‌ Sanford L.P.	‌ Sanford L.P.	United States Patent and Trademark Office	12103330	October 1, 2024
‌ US Patent 7229487 Writing instruments with eradicable inks and eradicating fluids	Patent 7229487 was granted and assigned to Sanford L.P. on June, 2007 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7229487	June 12, 2007
‌ US Patent 7488130 Seal assembly for retractable instrument	Patent 7488130 was granted and assigned to Sanford L.P. on February, 2009 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7488130	February 10, 2009
‌ US Patent 7228882 Tape dispenser with a cushioned applicator tip	Patent 7228882 was granted and assigned to Sanford L.P. on June, 2007 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7228882	June 12, 2007
‌ US Patent 7284920 Printing device	Patent 7284920 was granted and assigned to Sanford L.P. on October, 2007 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7284920	October 23, 2007
‌ US Patent 7452146 Writing instruments with eradicable inks and eradicating fluids	Patent 7452146 was granted and assigned to Sanford L.P. on November, 2008 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7452146	November 18, 2008
‌ US Patent 7350996 Retractable writing utensil	Patent 7350996 was granted and assigned to Sanford L.P. on April, 2008 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7350996	April 1, 2008
‌ US Patent 7322766 Writing instrument with a sheet material dispenser	Patent 7322766 was granted and assigned to Sanford L.P. on January, 2008 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7322766	January 29, 2008
‌ US Patent 9050850 Micro motion poppet valve assembly for delivery of ink with large pigment particles to a writing nib and writing instrument comprising same	Patent 9050850 was granted and assigned to Sanford L.P. on June, 2015 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	9050850	June 9, 2015
‌ US Patent 7481593 Combination hydrophobic/hydrophilic filters/reservoirs for controlling fluid flow	Patent 7481593 was granted and assigned to Sanford L.P. on January, 2009 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7481593	January 27, 2009
‌ US Patent 7066042 Advancing/retracting mechanism	Patent 7066042 was granted and assigned to Sanford L.P. on June, 2006 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7066042	June 27, 2006
‌ US Patent 7442725 Color changing correction fluid	Patent 7442725 was granted and assigned to Sanford L.P. on October, 2008 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7442725	October 28, 2008
‌ US Patent D990553 Printer	Patent D990553 was granted and assigned to Sanford L.P. on June, 2023 by the United States Patent and Trademark Office.	‌ Sanford L.P.	‌ Sanford L.P.	United States Patent and Trademark Office	D990553	June 27, 2023
‌ US Patent 7775734 Seal assembly for retractable instrument	Patent 7775734 was granted and assigned to Sanford L.P. on August, 2010 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7775734	August 17, 2010
‌ US Patent D990552 Printer	Patent D990552 was granted and assigned to Sanford L.P. on June, 2023 by the United States Patent and Trademark Office.	‌ Sanford L.P.	‌ Sanford L.P.	United States Patent and Trademark Office	D990552	June 27, 2023
‌ US Patent 7101104 Free ink system	Patent 7101104 was granted and assigned to Sanford L.P. on September, 2006 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7101104	September 5, 2006
‌ US Patent 7364614 Capillary-action, glitter markers and ink compositions for same	Patent 7364614 was granted and assigned to Sanford L.P. on April, 2008 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7364614	April 29, 2008
‌ US Patent 7264141 Fluid dispenser with passive pressurization	Patent 7264141 was granted and assigned to Sanford L.P. on September, 2007 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7264141	September 4, 2007
‌ US Patent 7488380 Highlighting marking compositions, highlighting kits, and highlighted complexes	Patent 7488380 was granted and assigned to Sanford L.P. on February, 2009 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7488380	February 10, 2009
‌ US Patent 7563046 Fluid dispensers having removably attached dual applicator assembly	Patent 7563046 was granted and assigned to Sanford L.P. on July, 2009 by the United States Patent and Trademark Office.		‌ Sanford L.P.	United States Patent and Trademark Office	7563046	July 21, 2009

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