Mark Daus — 10 Patents at Overhead Door

Mark Daus has been granted 10 US patents while listed as an inventor at Overhead Door. The first was granted in 2003 and the most recent in December 2022. Mark Daus ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Mark Daus in Doylestown, OH, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date
11536067	Spring array and method for door counterbalancing	—	2022-12-27
9890582	Door release mechanism	Alvin Eiterman	2018-02-13
9328547	Door release mechanism	Alvin Eiterman	2016-05-03
9206634	Counterbalance system for vertical acting doors	Jorge Manuel Prieto, Charles A. Haba	2015-12-08
8905113	Door release mechanism	Alvin Eiterman	2014-12-09
8770255	Door release mechanisim	Alvin Eiterman	2014-07-08
8397787	Door release mechanism	Alvin Eiterman	2013-03-19
D651654	Reinforced sign stake	—	2012-01-03
7878230	Door release mechanism	Alvin Eiterman	2011-02-01
6527037	Rolling door tensioner	Alvin Eiterman	2003-03-04

Mark Daus — 10 Patents

Issued Patents All Time

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