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Gerry H. Ehrhardt — 5 Patents

FCFrye Copysystems: 4 patents #2 of 6Top 35%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Des Moines, IA: #114 of 657 inventorsTop 20%
Iowa: #3,116 of 15,303 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Gerry H. Ehrhardt has been granted 5 US patents while listed as an inventor at Frye Copysystems. The first was granted in 1980 and the most recent in February 1993. Gerry H. Ehrhardt ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Gerry H. Ehrhardt in Des Moines, IA, US.

Patents per Year

Patents granted per year, 1980 to 1993Bar chart with a peak of 3 patents in 1982.peak 31980: 1 patents19801982: 3 patents19821993: 1 patents1993

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5188765 Flow agent-dispersant composition — 1993-02-23
4347282 Chemical carbonless copy paper and transfer medium therefor Gene D. Carlson 1982-08-31
4343494 Carbonless copy paper system Gene D. Carlson 1982-08-10
4327939 Chemical carbonless copy paper and image receptor medium therefor Gene D. Carlson 1982-05-04
4226442 Water insensitive image receptor coating Gene D. Carlson 1980-10-07

Frequent Collaborators

Gene D. Carlson4 shared

Nearby-Ranked Inventors

Joseph L. Mann5
Terry Richard Linn5
Ikuo DEGUCHI5
Swapnil Kumar5
Zachary W. Gyugyi5
Xiaoxue CHEN5
Mohankumar Krishnan VALIYAMBATH5
Baoquan Tan5
Jack Long5