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Rollin K. Corwin

Houston, TX: #12,319 of 21,073 inventorsTop 60%
Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,977,146 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4675663 Apparatus and method for indicating the rotational speed of a fan — 1987-06-23

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