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USPTO Patent Rankings Data through Dec 31, 2025
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Ralph E. Unruh — 3 Patents

NVIDIA: 3 patents #2,179 of 7,811Top 30%
Denver, PA: #28 of 79 inventorsTop 40%
Pennsylvania: #23,787 of 74,527 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Ralph E. Unruh has been granted 3 US patents while listed as an inventor at NVIDIA. The first was granted in 1983 and the most recent in August 1987. Ralph E. Unruh ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ralph E. Unruh in Denver, PA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4689259 Floor tile product and process Jesse D. Miller, James A. Tshudy 1987-08-25 $15,888,000
4504523 Durable, low-maintenance flooring tile Jesse D. Miller, James A. Tshudy 1985-03-12 $4,539,000
4418109 Durable, low-maintenance flooring tile Jesse D. Miller, James A. Tshudy 1983-11-29 $5,822,000