Douglas E. Trimmer — 4 Patents at Precise Forms

Douglas E. Trimmer has been granted 4 US patents while listed as an inventor at Precise Forms. The first was granted in 1998 and the most recent in July 2013. Douglas E. Trimmer ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Douglas E. Trimmer in Kansas City, MO, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
8490352	Concrete sandwich wall insert	Dan Dugger	2013-07-23
8011637	Concrete form system for low-clearance applications	—	2011-09-06
7182308	Concrete form connecting apparatus	Danny R. Dugger, Dwight E. Hibbs, Launnie Kelmel, James L. Brockman	2007-02-27
5759429	Apparatus for interconnecting concrete forms	Dwight E. Hibbs, James Otto Mittelstadt	1998-06-02

Douglas E. Trimmer — 4 Patents

Issued Patents All Time

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