FK

Francis D. Kirchoff

AP Alco Electronic Products: 4 patents #1 of 7Top 15%
📍 Newton, MA: #1,048 of 2,747 inventorsTop 40%
🗺 Massachusetts: #27,608 of 88,656 inventorsTop 35%
Overall (All Time): #1,308,907 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4480159 Sub-miniature three position switch with built-in lever lock 1984-10-30
4340793 Sub-miniature, two position double pole switch 1982-07-20
4254310 Subminiature, multi-pole toggle switch with linear see-saw contacts Ralph M. Manning 1981-03-03
4191387 Watertight seal for toggle switches 1980-03-04