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Harmon Hansen — 1 Patent

UGUsd Group: 1 patents #8 of 17Top 50%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,979,419 of 4,157,543Top 100%
1 Patents All Time

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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4683881 Breathing regulator mouthpiece Thomas Lingenfelter 1987-08-04

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