Individual holder
SZWARTZ HENRY S
4 granted patents·20 citations·filing 1978–1998
Individually held — no corporate assignee on record.
Technology mixF24B1
Top patents by PatentIndex Score
4 records- 0157US4273097AAutomatic fireplace damperSZWARTZ HENRY S·Filed 1978·Granted Jun 16, 1981·10 cites·5 claims
- 0250USD412570SAngular chimney capSZWARTZ HENRY S·Filed 1998·Granted Aug 3, 1999·8 cites·1 claims
- 0331USD381743SFireplace damper assembly unitSZWARTZ HENRY S·Filed 1993·Granted Jul 29, 1997·2 cites·1 claims
- 0426USD421493SRounded chimney capSZWARTZ HENRY S·Filed 1998·Granted Mar 7, 2000·0 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →