List of SDI patents

Patents where

Current Assignee

Name

‌

SDI

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7757923 Stapler with a leg-flatting device	Patent 7757923 was granted and assigned to SDI on July, 2010 by the United States Patent and Trademark Office.		‌ SDI	United States Patent and Trademark Office	7757923	July 20, 2010
‌ US Patent 9555661 Electric pencil sharpener with a replaceable cutter assembly	Patent 9555661 was granted and assigned to SDI on January, 2017 by the United States Patent and Trademark Office.		‌ SDI	United States Patent and Trademark Office	9555661	January 31, 2017
‌ US Patent 8186552 Stapler with leg-flatting and anvil-guiding capability	Patent 8186552 was granted and assigned to SDI on May, 2012 by the United States Patent and Trademark Office.		‌ SDI	United States Patent and Trademark Office	8186552	May 29, 2012
‌ US Patent 9969207 Reciprocating pencil sharpener	Patent 9969207 was granted and assigned to SDI on May, 2018 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	9969207	May 15, 2018
‌ US Patent 9653385 Lead frame	Patent 9653385 was granted and assigned to SDI on May, 2017 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	9653385	May 16, 2017
‌ US Patent 7621432 Stapler	Patent 7621432 was granted and assigned to SDI on November, 2009 by the United States Patent and Trademark Office.		‌ SDI	United States Patent and Trademark Office	7621432	November 24, 2009
‌ US Patent 9457483 Cutter assembly having dual locking effect	Patent 9457483 was granted and assigned to SDI on October, 2016 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	9457483	October 4, 2016
‌ US Patent 9623572 Cutter assembly having a screw-locking device	Patent 9623572 was granted and assigned to SDI on April, 2017 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	9623572	April 18, 2017
‌ US Patent D724915 Stapler	Patent D724915 was granted and assigned to SDI on March, 2015 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	D724915	March 24, 2015
‌ US Patent D735552 Cutter knife	Patent D735552 was granted and assigned to SDI on August, 2015 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	D735552	August 4, 2015
‌ US Patent 10035249 Stapler and multi-inclined anvil structure thereof	Patent 10035249 was granted and assigned to SDI on July, 2018 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	10035249	July 31, 2018
‌ US Patent 10828928 Writing tool and dispensing unit thereof		‌ SDI	‌ SDI	United States Patent and Trademark Office	10828928	November 10, 2020
‌ US Patent 9694624 Automatic cover-opening device	Patent 9694624 was granted and assigned to SDI on July, 2017 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	9694624	July 4, 2017
‌ US Patent 10569594 Writing tool	Patent 10569594 was granted and assigned to SDI on February, 2020 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	10569594	February 25, 2020
‌ US Patent 9162363 Cutter with a slider that can be pushed from two directions and slider for the same	Patent 9162363 was granted and assigned to SDI on October, 2015 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	9162363	October 20, 2015
‌ US Patent 8950074 Slider for a cutter	Patent 8950074 was granted and assigned to SDI on February, 2015 by the United States Patent and Trademark Office.		‌ SDI	United States Patent and Trademark Office	8950074	February 10, 2015
‌ US Patent 10414201 Pressure regulating device for writing tool and writing tool having the same	Patent 10414201 was granted and assigned to SDI on September, 2019 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	10414201	September 17, 2019
‌ US Patent 9248691 Adjustable pencil sharpener	Patent 9248691 was granted and assigned to SDI on February, 2016 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	9248691	February 2, 2016
‌ US Patent 7654297 Correction tape dispenser	Patent 7654297 was granted and assigned to SDI on February, 2010 by the United States Patent and Trademark Office.		‌ SDI	United States Patent and Trademark Office	7654297	February 2, 2010
‌ US Patent 8978731 Stationery tool with a pushbutton having a push-proof capability	Patent 8978731 was granted and assigned to SDI on March, 2015 by the United States Patent and Trademark Office.		‌ SDI	United States Patent and Trademark Office	8978731	March 17, 2015
‌ US Patent 9149921 Flat-clinch stapler having a buffering device	Patent 9149921 was granted and assigned to SDI on October, 2015 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	9149921	October 6, 2015
‌ US Patent 9352928 Thin film dispenser	Patent 9352928 was granted and assigned to SDI on May, 2016 by the United States Patent and Trademark Office.		‌ SDI	United States Patent and Trademark Office	9352928	May 31, 2016
‌ US Patent 9227460 Reciprocating pencil sharpener	Patent 9227460 was granted and assigned to SDI on January, 2016 by the United States Patent and Trademark Office.		‌ SDI	United States Patent and Trademark Office	9227460	January 5, 2016
‌ US Patent D685432 Correction tape dispenser	Patent D685432 was granted and assigned to SDI on July, 2013 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	D685432	July 2, 2013
‌ US Patent D678413 Pencil sharpener	Patent D678413 was granted and assigned to SDI on March, 2013 by the United States Patent and Trademark Office.	‌ SDI	‌ SDI	United States Patent and Trademark Office	D678413	March 19, 2013

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