Individual holder
CHRISTENSEN FREDRICH M
3 granted patents·35 citations·filing 1976–1978
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0156US4231384AApparatus for draining a cooling systemCHRISTENSEN FREDRICH M·Filed 1978·Granted Nov 4, 1980·16 cites·11 claims
- 0254US4126108AApparatus for draining a cooling systemCHRISTENSEN FREDRICH M·Filed 1977·Granted Nov 21, 1978·15 cites·27 claims
- 0329US4040663ASeat back tilt control unitCHRISTENSEN FREDRICH M·Filed 1976·Granted Aug 9, 1977·4 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →