John M. Protan

📍 Sylvester, WV: #3 of 3 inventorsTop 100%

🗺 West Virginia: #1,664 of 3,425 inventorsTop 50%

Overall (All Time): #3,631,025 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6135368	Rock dusting apparatus	—	2000-10-24