DG

D. R. Gunawardena

HP HP: 3 patents #1,644 of 7,018Top 25%
📍 Union City, CA: #474 of 1,177 inventorsTop 45%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,667,710 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4923353 Apparatus for automated cassette handling Barclay J. Tullis, John S. Bailey, Ulrich Kaempf 1990-05-08
4875825 Method for automated cassette handling Barclay J. Tullis, John S. Bailey, Ulrich Kaempf 1989-10-24
4705444 Apparatus for automated cassette handling Barclay J. Tullis, John S. Bailey, Ulrich Kaempf 1987-11-10