HB

Helmut Barkow

TG Telefonbau Und Normalzeit Gmbh: 1 patents #1 of 5Top 20%
📍 Steinbach, DE: #2 of 6 inventorsTop 35%
Overall (1982): #60,265 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4326108 Hook switch for telephone instruments Karl Frank 1982-04-20