RS

Robert L. Shadowens

DP Dayton Progress: 2 patents #5 of 13Top 40%
📍 West Carrollton, OH: #24 of 70 inventorsTop 35%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,294,027 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5307720 Punch retainer with punch release tool David Meyer 1994-05-03
5197368 Punch and die retainer and release mechanism David Meyer 1993-03-30