FV

Frederick G. VanKoughnet

📍 Toledo, OH: #791 of 1,470 inventorsTop 55%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,706,697 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D402908 Engraved surveyor's marker James F. Machen 1998-12-22