GB

Glenn M. Berggren

OR Optical Radiation: 1 patents #14 of 28Top 50%
SD Sigma Designs: 1 patents #28 of 52Top 55%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,332,923 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4863262 Motion picture projector with reduced picture jump Jerry Kampel 1989-09-05
4750808 Projection screen Gerald C. Nash, Robert Evans Wetmore, Donald R. Stewart 1988-06-14