JF

John W. Frencher

📍 West Hollywood, CA: #535 of 1,485 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,186,076 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6675780 Fuel saving and pollution emission reduction system for internal combustion engines Antonius G. Wendels 2004-01-13
6655342 Pre-lubrication system Antonius G. Wendels 2003-12-02