Donald R. Kellerman

📍 O'Fallon, MO: #8 of 33 inventorsTop 25%

🗺 Missouri: #367 of 1,513 inventorsTop 25%

Overall (2003): #234,756 of 273,478Top 90%

Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6543171	Firearm barrel lock	—	2003-04-08