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USPTO Patent Rankings Data through Dec 31, 2025
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Robert A. Schumacker — 1 Patent

ECEvans & Sutherland Computer: 1 patents #40 of 83Top 50%
Salt Lake City, UT: #2,716 of 4,590 inventorsTop 60%
Utah: #11,387 of 19,430 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert A. Schumacker has been granted 1 US patent while listed as an inventor at Evans & Sutherland Computer. All of these patents were granted in 1988. Robert A. Schumacker ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert A. Schumacker in Salt Lake City, UT, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4763280 Curvilinear dynamic image generation system John A. Robinson 1988-08-09 $1,563,000