Ronald J. Opperman

📍 Findlay, OH: #175 of 333 inventorsTop 55%

🗺 Ohio: #42,657 of 73,341 inventorsTop 60%

Overall (All Time): #3,627,491 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D430789	Roof guard rail safety bracket	—	2000-09-12