John S. Krejmas

📍 Greenfield, MA: #2 of 5 inventorsTop 40%

🗺 Massachusetts: #329 of 1,827 inventorsTop 20%

Overall (1982): #20,208 of 81,411Top 25%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4357839	Machine safety guard	—	1982-11-09