Inventor · disambiguated record
Heinz Hardt
Also filed as: HARDT HEINZ
3 granted patents·129 citations·filing 1985–1989
75Inventor score
Top patents by PatentIndex Score
3 records- 0179US4607720AHearing aidVIENNATONE GMBH·Filed 1985·Granted Aug 26, 1986·86 cites·10 claims
- 0258US4657106A"Ear" hearing aidVIENNATONE GMBH·Filed 1985·Granted Apr 14, 1987·36 cites·9 claims
- 0324US4931369AContact arrangement for the battery of an in-ear hearing aidHARDT HEINZ·Filed 1989·Granted Jun 5, 1990·7 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →