Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DR

Douglas R. Renzoni — 2 Patents

California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,014,339 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9446415 Portable flexible sluice box with airfoil-shaped flare Valerie J. Anastasi-Renzoni 2016-09-20
D744619 Elutriation pipe assembly Valerie J. Anastasi-Renzoni 2015-12-01