Inventor · disambiguated record

Helmuth-Joachim Bock

Also filed as: BOCK HELMUTH-JOACHIM

1 granted patent·6 citations·filing 1971–1971

27Inventor score

Technology areasH04Q

Files withSIEMENS AG1

Top patents by PatentIndex Score

1 record

0134US3940568ACircuit arrangement for telephone exchange installations with central control means and a plurality of individual apparatuses having a common information communication line connecting the individual apparatus to the central control meansSIEMENS AG·Filed 1971·Granted Feb 24, 1976·6 cites·3 claims

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