WS

Walter R. Spofford

EM Emhart: 4 patents #50 of 310Top 20%
📍 Bedford, MA: #220 of 774 inventorsTop 30%
🗺 Massachusetts: #23,459 of 88,656 inventorsTop 30%
Overall (All Time): #1,066,587 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4418339 Temperature sensing circuit for semiconductor junction temperature probe Daniel I. Pomerantz 1983-11-29
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
4206552 Means and method for controlling the operation of a drying apparatus Daniel I. Pomerantz, Sanders Goldstein 1980-06-10