Inventor

ISHMAN NEAL H

US3 patents

Patents

3 patents

US4388644AJun 14, 1983

Apparatus for monitoring a multichannel receiver

E SYSTEMS INC168 citations95

US4216497AAug 5, 1980

Apparatus for monitoring a multichannel receiver

E SYSTEMS INC124 citations92

US4612575ASep 16, 1986

T.V. video image correction

E SYSTEMS INC82 citations89