RD

Raymond H. DuHamel

GA Granger Associates: 2 patents #2 of 8Top 25%
📍 Los Altos Hills, CA: #398 of 812 inventorsTop 50%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,305,525 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4658262 Dual polarized sinuous antennas 1987-04-14
4656485 Four wire dual mode spiral antenna William L. Werner 1987-04-07
4498084 Four wire dual mode spiral antenna William L. Werner 1985-02-05
4315264 Circularly polarized antenna with circular arrays of slanted dipoles mounted around a conductive mast 1982-02-09