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US Patent 8904710 Door drive

Patent 8904710 was granted and assigned to Dorma on December, 2014 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Dorma

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

89047100

Patent Inventor Names

Alexander Hellwig0

Holger Hänsch0

Martin Römer0

Michael Hufen0

Date of Patent

December 9, 2014

Patent Application Number

127428220

Date Filed

November 13, 2008

Patent Citations Received

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US Patent 11834889 Door opener with adjustable screw rod

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US Patent 12104405 Door lock permitting electric locking and unlocking

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US Patent 12008851 Method for unlocking a lock using real-time wireless power supply

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US Patent 11851935 Door opener capable of controlling door closing speed

Patent Primary Examiner

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Gregory J. Strimbu

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