RC

Rickard N. Crewes

NM National Machine: 1 patents #35 of 50Top 70%
📍 Uniontown, OH: #239 of 373 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,060,367 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4413645 Fluid swivel valve device Peter P. Seabase 1983-11-08