WS

Wolfgang Spiegelstein

KA Kennedy Associates: 2 patents #1 of 12Top 9%
IS Irwin Magnetic Systems: 1 patents #7 of 18Top 40%
RI Roberts Consolidated Industries: 1 patents #1 of 7Top 15%
📍 Glendale, CA: #267 of 1,191 inventorsTop 25%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,302,596 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4807067 Cartridge tape drive 1989-02-21
D291797 Electric motor housing 1987-09-08
4673995 Cartridge tape drive with friction roller to open cartridge door 1987-06-16
4262418 Boot for trimmer for resilient floor covering material Harvey J. Hill 1981-04-21