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USPTO Patent Rankings Data through Sept 30, 2025
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Robert A. Walker

WDWalker Design: 1 patents #1 of 1Top 100%
San Francisco, CA: #2,088 of 5,107 inventorsTop 45%
California: #24,257 of 60,394 inventorsTop 45%
Overall (2017): #259,751 of 506,227Top 55%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9611822 Air filter and silencer — 2017-04-04

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