Individual holder
RIEGER HEINZ H
CA·5 granted patents·121 citations·filing 1988–1989
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0176US4838241AFireplace natural gas and propane burner assemblyRIEGER HEINZ H·Filed 1988·Granted Jun 13, 1989·31 cites·8 claims
- 0274US4838240AFireplace gas burner assemblyRIEGER HEINZ H·Filed 1988·Granted Jun 13, 1989·38 cites·11 claims
- 0368US4909227ADirect top venting high efficiency fireplaceRIEGER HEINZ H·Filed 1989·Granted Mar 20, 1990·25 cites·4 claims
- 0465US4924850AMethod and adaptor for installing flue liner to a fireplace insertRIEGER HEINZ H·Filed 1988·Granted May 15, 1990·21 cites·6 claims
- 0537US4862993AFireplace flue ambient noise reducing deviceRIEGER HEINZ H·Filed 1988·Granted Sep 5, 1989·6 cites·2 claims
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