EW

Erwin J. Wittmann

RC Rca: 11 patents #77 of 1,739Top 5%
CG Chemie Linz Gmbh: 1 patents #19 of 85Top 25%
Overall (All Time): #429,967 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4739503 Carry/borrow propagate adder/subtractor John Armer 1988-04-19
4722066 Digital signal overflow correction apparatus John Armer 1988-01-26
4485353 PLL Oscillator synchronizing system with matrix for phase correction Ta-Fang Fang, Leopold A. Harwood, Jack Craft 1984-11-27
4385311 Filter and phase shift circuit for a television automatic flesh color correction system Leopold A. Harwood 1983-05-24
4325076 Electronic filter for generating a third harmonic signal Leopold A. Harwood 1982-04-13
4318051 Symmetrically gain controlled differential amplifier Leopold A. Harwood 1982-03-02
4263610 Controlled output composite keying signal generator for a television receiver Robert L. Shanley, II, Leopold A. Harwood 1981-04-21
4256482 Herbicidal composition Alfred Diskus, Engelbert Auer 1981-03-17
4253110 Automatic kinescope beam current limiter with sequential control modes Leopold A. Harwood, Robert L. Shanley, II 1981-02-24
4249199 Phase compensated controlled oscillator Leopold A. Harwood 1981-02-03
4229759 Signal detector including sample and hold circuit with reduced offset error Leopold A. Harwood 1980-10-21
4203131 Predictable automatic brightness control circuit in a video signal image reproducing system Leopold A. Harwood, Robert L. Shanley, II 1980-05-13