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USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Stamstad — 1 Patent

Poynette, WI: #21 of 30 inventorsTop 70%
Wisconsin: #23,997 of 40,088 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert E. Stamstad has been granted 1 US patent. All of these patents were granted in 1989. Robert E. Stamstad ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert E. Stamstad in Poynette, WI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4882055 Unitary injection molded filter 1989-11-21