Walter R. Fillippone

UC Union Oil Company Of California: 1 patents #196 of 385Top 55%

📍 Placentia, CA: #232 of 422 inventorsTop 55%

🗺 California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #3,923,131 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4813029	Geophone apparatus and a seismic exploration method	Otis G. Erich, Jr.	1989-03-14