LS

Lewis C. Spence

UN Unknown: 3 patents #7,366 of 83,584Top 9%
📍 Riviera Beach, FL: #11 of 120 inventorsTop 10%
🗺 Florida: #7,880 of 67,251 inventorsTop 15%
Overall (All Time): #769,134 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4739333 Single channel distance measuring receiver system and method 1988-04-19
4692715 Constant frequency signal generator circuit and method 1987-09-08
4675684 Distance measuring receiver system and method 1987-06-23
4552106 Internal combustion engine 1985-11-12
4283726 Dual frequency distance measuring system Stephen Martin 1981-08-11
4268807 Band-pass filter and gain stage 1981-05-19
4182996 Magnetic R.F. power splitter and power combiner 1980-01-08