Robert Mainhardt

📍 Danville, CA: #604 of 1,210 inventorsTop 50%

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

Overall (All Time): #2,335,431 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4728037	Safe, effective self-defense device	—	1988-03-01
4644930	Gun for firing a variety of projectiles	—	1987-02-24