Individual holder
SERWATOWSKI FRANK J
3 granted patents·7 citations·filing 1977–1981
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0128US4232652AFireplaces of the type having fireboxes constructed of firebrickSERWATOWSKI FRANK J·Filed 1977·Granted Nov 11, 1980·4 cites·1 claims
- 0223US4403535AVehicle transportable cordwood cutting machineSERWATOWSKI FRANK J·Filed 1981·Granted Sep 13, 1983·3 cites·14 claims
- 0322USD262712SVehicle transportable cordwood cutting machineSERWATOWSKI FRANK J·Filed 1979·Granted Jan 19, 1982·0 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →