John R. Hardwick

BM Butler Manufacturing: 1 patents #26 of 73Top 40%

📍 Gower, MO: #9 of 13 inventorsTop 70%

🗺 Missouri: #13,067 of 23,789 inventorsTop 55%

Overall (All Time): #4,109,034 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4195586	Knock-down starting platform for a roof seaming machine	James W. Martin	1980-04-01