Assignee

MARX GUENTER

DE·1 granted patent·146 citations·filing 1988–1988

Technology mixH01H1 H04R1

Top patents by PatentIndex Score

1 record

0181US4955729AHearing aid which cuts on/off during removal and attachment to the userMARX GUENTER·Filed 1988·Granted Sep 11, 1990·146 cites·24 claims

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →