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USPTO Patent Rankings Data through Dec 31, 2025
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Eric L. Ryherd — 2 Patents

ASAlliant Computer Systems: 1 patents #3 of 7Top 45%
Brookline, MA: #1,506 of 3,196 inventorsTop 50%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Eric L. Ryherd has been granted 2 US patents while listed as an inventor at Alliant Computer Systems. All of these patents were granted in 1990. Eric L. Ryherd ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Eric L. Ryherd in Brookline, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4970499 Apparatus and method for performing depth buffering in a three dimensional display Ross G. Werner, John G. Torborg, Jr. 1990-11-13
4967392 Drawing processor for computer graphic system using a plurality of parallel processors which each handle a group of display screen scanlines Ross G. Werner 1990-10-30 $393,000