Joseph A. Simpson

📍 Santa Ana, CA: #18 of 69 inventorsTop 30%

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

Overall (1997): #126,035 of 185,788Top 70%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D377182	Gold separator sluice	—	1997-01-07