RH

Robert W. Hoffman

RE Revlon: 4 patents #21 of 125Top 20%
PO Polaroid: 1 patents #513 of 898Top 60%
Overall (All Time): #894,053 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4945363 Conical spiral antenna 1990-07-31
4862160 Item identification tag for rapid inventory data acquisition system Jack A. Ekchian, Leon Ekchian, Kaigham J. Gabriel 1989-08-29
4675690 Conical spiral antenna 1987-06-23
4673932 Rapid inventory data acquistion system Jack A. Ekchian, Leon Ekchian, Kaigham J. Gabriel 1987-06-16
4624140 Liquid medium capacitive displacement sensor Jack A. Ekchian, Leon Ekchian 1986-11-25
4264922 Optical arrangement for developing fundamental primary colors Michael Zinchuk 1981-04-28