Individual holder
MATTSON FRED P
3 granted patents·114 citations·filing 1983–1986
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0189US4492632AAdaptor for external oil filterMATTSON FRED P·Filed 1983·Granted Jan 8, 1985·92 cites·5 claims
- 0267USD288283SOil filter mounting bracketMATTSON FRED P·Filed 1984·Granted Feb 17, 1987·12 cites·1 claims
- 0338US4688375AMower attachment for farm tractorsMATTSON FRED P·Filed 1986·Granted Aug 25, 1987·10 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →