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USPTO Patent Rankings Data through Sept 30, 2025
RD

Roger A. Herrick, deceased

California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,849,961 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
H1058 Transducer for measuring the separator of rocket stages Charlene Herrick, executrix 1992-05-05