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USPTO Patent Rankings Data through Sept 30, 2025
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Barrett O. Brockhage

San Jose, CA: #22,480 of 32,062 inventorsTop 75%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #2,733,438 of 4,157,543Top 70%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D922174 By-pass tool for door knobs — 2021-06-15

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