GH

Gerardus J. M. Hesselmann

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #4,083,191 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4249208 Gamma correction circuit for a video signal and television camera suitable therefor Henricus W. G. Haenen, Howard C. Needs 1981-02-03