David L. Tapfer

📍 Hinckley, OH: #54 of 84 inventorsTop 65%

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

Overall (All Time): #3,995,751 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4589520	Platform service vehicle	—	1986-05-20