Inventor · disambiguated record

Olaf Hadrich

Also filed as: HAEDRICH OLAF

1 granted patent·11 citations·filing 1998–1998

33Inventor score

Technology areasY02E

Files withSIEMENS AG1

Top patents by PatentIndex Score

1 record

0133US5905643AMethod and circuit arrangement for shaping a.c. voltageSIEMENS AG·Filed 1998·Granted May 18, 1999·11 cites·12 claims

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