Harold L. Zimmerly

📍 San Gabriel, CA: #124 of 297 inventorsTop 45%

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

Overall (All Time): #2,350,445 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4623180	Chain door lock	—	1986-11-18
4305349	Internal combustion engine	—	1981-12-15