WK

William F. Keller

PP Pacific Seismic Products: 2 patents #1 of 4Top 25%
📍 Walnut, CA: #9 of 51 inventorsTop 20%
🗺 California: #4,287 of 28,521 inventorsTop 20%
Overall (2003): #36,770 of 273,478Top 15%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6527004 Shock actuated responsive mechanism for vertical fluid valve assemblies Richard B. Sibley, Richard F. Christensen, Sr. 2003-03-04
6502599 Shock actuated responsive mechanism for vertical fluid valve assemblies Richard D. Sibley 2003-01-07