John B. Bertolet

📍 Douglas, MA: #37 of 58 inventorsTop 65%

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

Overall (All Time): #3,482,301 of 4,157,543Top 85%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6752141	Circular cut-off saw blade	—	2004-06-22