JM

John M. Murphy

📍 Leesburg, VA: #2 of 3 inventorsTop 70%
🗺 Virginia: #121 of 685 inventorsTop 20%
Overall (1982): #51,995 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4338048 Cartridge for rock-bolting Robert H. Spensley 1982-07-06