Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Richard S. Slevin — 3 Patents in 2021

VOVista Outdoor Operations: 3 patents #7 of 39Top 20%
Los Altos Hills, CA: #40 of 172 inventorsTop 25%
California: #8,414 of 66,859 inventorsTop 15%
Overall (2021): #65,991 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D937961 Magazine loader 2021-12-07
11156418 Electronic magazine loader Paul R. Fischer 2021-10-26
D921992 Ear muffs for shooting sports William Hemeyer, Gwyn Lewis, Jack Lau, Linyuan Xu 2021-06-08