Inventor · disambiguated record

Helmut Barkow

Also filed as: BARKOW HELMUT

2 granted patents·11 citations·filing 1980–1987

56Inventor score

Technology areasH04M H04Q

Files withTELEFONBAU & NORMALZEIT GMBH2

Top patents by PatentIndex Score

2 records

0138US4813880AArrangement for main distribution framesTELEFONBAU & NORMALZEIT GMBH·Filed 1987·Granted Mar 21, 1989·7 cites·13 claims
0234US4326108AHook switch for telephone instrumentsTELEFONBAU & NORMALZEIT GMBH·Filed 1980·Granted Apr 20, 1982·4 cites·13 claims

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Helmut Barkow — Patent Inventor | PatentIndex