Douglas M. Petty

CA Coin Acceptors: 1 patents #2 of 5Top 40%

📍 San Diego, CA: #257 of 925 inventorsTop 30%

🗺 California: #4,598 of 17,285 inventorsTop 30%

Overall (1997): #157,768 of 185,788Top 85%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5595277	Coin payout method and control means	Ronald A. Hoormann	1997-01-21