WM

William J. Mark

ZE Zenith Electronics: 4 patents #84 of 411Top 25%
Overall (All Time): #873,783 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7213632 Portable folding room dividing partition Steven D. Goldstein, Michael Edwards 2007-05-08
5828190 G1 High frequency drive for color cathode ray tubes 1998-10-27
4739403 Digital horizontal processor 1988-04-19
4727336 Wide band low power loss video amplifier 1988-02-23
4671500 Double acting clamp 1987-06-09
4514764 Video monitor with automatic switching between RF and baseband video signals Arthur N. Borg 1985-04-30