Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Leonard N. Ray, Jr. — 5 Patents

NVIDIA: 5 patents #1,433 of 7,811Top 20%
Lancaster, PA: #223 of 963 inventorsTop 25%
Pennsylvania: #16,056 of 74,527 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Leonard N. Ray, Jr. has been granted 5 US patents while listed as an inventor at NVIDIA. The first was granted in 1980 and the most recent in February 1993. Leonard N. Ray, Jr. ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Leonard N. Ray, Jr. in Lancaster, PA, US.

Patents per Year

Patents granted per year, 1980 to 1993Bar chart with a peak of 2 patents in 1980.peak 21980: 2 patents19801982: 1 patents19821991: 1 patents19911993: 1 patents1993

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5188876 Surface covering with inorganic wear layer Robert D. Hensel, Joseph F. Reuwer, Jr., Jeffrey S. Ross, Jerome D. Wisnosky 1993-02-23 $4,131,000
5077112 Floor covering with inorganic wear layer Robert D. Hensel, Joseph F. Reuwer, Jr., Jerome D. Wisnosky 1991-12-31 $4,854,000
4357189 Through-color printing Mervin R. Buckwalter 1982-11-02 $1,171,000
4231743 Process for shading during the vapor phase dyeing of carpet Mervin R. Buckwalter, Walter T. Bulson 1980-11-04
4181497 Process for shading during the vapor phase dyeing of carpet Mervin R. Buckwalter, Walter T. Bulson 1980-01-01