EL

Eugene Leonard

Overall (All Time): #761,774 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D450442 Upholstery needle pusher 2001-11-20
5394470 Horizontal pulse augmentation of a video signal William J. Buynak, Graham S. Stubbs, Karoly Budai 1995-02-28
5034981 Anti-copying video signal processing Bill Perlman, Karoly Budai, William R. Dolson 1991-07-23
5003590 Encoding an optical video disc to inhibit video tape recording Bernard J. Lechner, Graham S. Stubbs 1991-03-26
4914694 Modifying a television signal to inhibit recording/reproduction Bill Perlman, Karoly Budai, William R. Dolson 1990-04-03
4752676 "Reliable secure, updatable ""cash"" card system" Bill Perlman 1988-06-21
4439785 Subscriber television system 1984-03-27