CH

Calvin C. Hayes

📍 Sudbury, CA: #1 of 16 inventorsTop 7%
Overall (2022): #173,051 of 548,613Top 35%
2
Patents 2022

Issued Patents 2022

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