Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David A. Benham — 2 Patents

Cisco: 2 patents #5,498 of 13,007Top 45%
Mountain View, CA: #6,207 of 11,022 inventorsTop 60%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #1,895,738 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10530417 Spread spectrum acoustic communication techniques Michael A. Ramalho, Mihailo Zilovic 2020-01-07
10003377 Spread spectrum acoustic communication techniques Michael A. Ramalho, Mihailo Zilovic 2018-06-19