Donald A. Rich

📍 San Pablo, CA: #38 of 99 inventorsTop 40%

🗺 California: #185,134 of 386,348 inventorsTop 50%

Overall (All Time): #2,037,837 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D740733	Shroud for mounting on motorcycle exhaust pipe	—	2015-10-13
5165231	Anti-reversion exhaust system	—	1992-11-24