Frank H. Simpson

📍 Cornelius, OR: #27 of 77 inventorsTop 40%

🗺 Oregon: #12,654 of 28,073 inventorsTop 50%

Overall (All Time): #2,372,004 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4295409	Shot and powder dispenser attachment	—	1981-10-20
4223588	Primer feed device	—	1980-09-23