HG

Hermann Grobecker

PG Polygram Gmbh: 1 patents #1 of 4Top 25%
PB Polygram International Holding B.V.: 1 patents #2 of 7Top 30%
📍 Garbsen, DE: #3 of 13 inventorsTop 25%
Overall (1989): #26,318 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4874085 Storage cassette for high storage density, disc-shaped information carriers Werner Heher, Adelbert Zielasek, Frederik B. Nusselder 1989-10-17
4805770 Cassette with tray ejection means Gilbert E. Mestdagh, Masashi Ito 1989-02-21