JB

John Charles Brentzel

📍 Boxborough, MA: #230 of 320 inventorsTop 75%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,652,347 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5915936 Firearm with identification safety system — 1999-06-29