KK

Karl-Heinz Kupfer

U.S. Philips: 2 patents #73 of 1,030Top 8%
Overall (1989): #22,911 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4803549 Low-pass filter for limiting the frequency band of a luminance signal — 1989-02-07
4796101 Automatic FM sideband level control for video recorders — 1989-01-03