NW

Nicholas H. Werthessen

📍 Barrington, RI: #136 of 323 inventorsTop 45%
🗺 Rhode Island: #2,419 of 6,211 inventorsTop 40%
Overall (All Time): #2,350,056 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4616958 Retraction assemblies for expansible mandrels — 1986-10-14
4430024 Hydraulically operated mandrels Charles L. Guild, Carlton W. Aldrich, Jr. 1984-02-07