CH

Calvin C. Hayes

📍 Sudbury, CA: #41 of 150 inventorsTop 30%
Overall (All Time): #1,832,071 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11396951 Check valve Michael W. Lassas, James M. Gannatal, Heli Tusharkumat Trivedi 2022-07-26
11221081 Check valve James M. Gannatal, Michael W. Lassas 2022-01-11