WS

Walter R. Spofford

EM Emhart: 3 patents #1 of 28Top 4%
📍 Bedford, MA: #4 of 30 inventorsTop 15%
🗺 Massachusetts: #56 of 1,827 inventorsTop 4%
Overall (1982): #2,820 of 81,411Top 4%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4323861 Oscillator circuit for controlling the power level of a microwave oven Louis M. Sandler, Charles E. Scott 1982-04-06
4322631 Implemental means for a touch control system 1982-03-30
4314197 Alternating current power control circuit Louis M. Sandler, Charles E. Scott 1982-02-02