JR

John I. Rolfe

📍 Youngstown, NY: #27 of 64 inventorsTop 45%
🗺 New York: #38,318 of 115,490 inventorsTop 35%
Overall (All Time): #1,638,500 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5741108 Drum emptying apparatus 1998-04-21
4957222 Barrel scraper 1990-09-18
4696599 Secure landfill and method of operating a landfill for hazardous waste Randolph W. Rakoczynski, Stephen S. Odojewski 1987-09-29