HB

Helmut Barkow

TG Telefonbau Und Normalzeit Gmbh: 1 patents #1 of 10Top 10%
TG Telenorma Telefonbau Und Normalzeit Gmbh: 1 patents #5 of 21Top 25%
📍 Steinbach, DE: #31 of 89 inventorsTop 35%
Overall (All Time): #2,329,351 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4813880 Arrangement for main distribution frames Dieter Kramer 1989-03-21
4326108 Hook switch for telephone instruments Karl Frank 1982-04-20