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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert D. Silfvast — 1 Patent in 2021

Apple: 1 patents #2,295 of 5,196Top 45%
Belmont, CA: #138 of 344 inventorsTop 45%
California: #26,007 of 66,859 inventorsTop 40%
Overall (2021): #281,501 of 548,734Top 55%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11176925 Bone conduction transducers for privacy Neal D. Evans, Nikolas T. Vitt, Jonathan D. Sheaffer 2021-11-16 $241,630,000