John M. Langenback

📍 Pittsfield, MA: #120 of 233 inventorsTop 55%

🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%

Overall (All Time): #3,803,572 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5335923	Snow plow dolly	Glenn L. Langenback	1994-08-09