WP

Wilbert Leonard Porter

GR Granville-Phillips: 1 patents #4 of 7Top 60%
HT Helix Technology: 1 patents #58 of 132Top 45%
📍 Mancos, CO: #4 of 13 inventorsTop 35%
🗺 Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #2,215,573 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6412349 Force balancing capacitance manometer Daniel G. Bills 2002-07-02
5902932 Force balancing capacitance manometer Daniel G. Bills 1999-05-11