Inventor · disambiguated record

Hans-Joachim Lippmann

Also filed as: LIPPMANN HANS-JOACHIM

2 granted patents·27 citations·filing 1973–1983

60Inventor score

Technology areasH01H Y10T

Files withSIEMENS AG2

Top patents by PatentIndex Score

2 records

0165US3957453ASintered metal powder electric contact materialSIEMENS AG·Filed 1973·Granted May 18, 1976·20 cites·1 claims
0246US4438307AElectric vacuum switchSIEMENS AG·Filed 1983·Granted Mar 20, 1984·7 cites·8 claims

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