Inventor · disambiguated record

Hermanus H. Grotjohann

Also filed as: GROTJOHANN HERMANUS H

1 granted patent·25 citations·filing 1979–1979

42Inventor score
Technology areasH04B
Files withPHILIPS CORP1

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1 record

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →