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USPTO Patent Rankings Data through Dec 31, 2025
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Carrol D. Engelbert — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Walla Walla, WA: #90 of 148 inventorsTop 65%
Washington: #48,569 of 76,902 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Carrol D. Engelbert has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 1983. Carrol D. Engelbert ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Carrol D. Engelbert in Walla Walla, WA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4413785 Variable pressure fluid cleaning wand Larry M. Muller, Dan E. Muller 1983-11-08