DH

Donald C. Herrmann

RC Rca: 2 patents #592 of 1,739Top 35%
Overall (All Time): #1,671,892 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4874040 Universal heat exchanger 1989-10-17
4206474 Low-pass filter with remotely controllable rise time Lucas J. Bazin 1980-06-03
4183045 Chroma keying selector system Lucas J. Bazin 1980-01-08