RK

Richard A. Keefe

NP North American Philips: 2 patents #168 of 645Top 30%
📍 Wilmette, IL: #146 of 495 inventorsTop 30%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,305,704 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4667086 Heater element for blow dryers, paint strippers and the like 1987-05-19
4621251 Electric resistance heater assembly 1986-11-04
4397305 Solar heating panel 1983-08-09
4199096 Solder device having cartridge feed of solder David B. Schurman, Jon W. Leask 1980-04-22