Individual holder
HUTCHISON MARION E
3 granted patents·46 citations·filing 1977–1986
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0178US4450673AMulching mowerHUTCHISON MARION E·Filed 1981·Granted May 29, 1984·32 cites·21 claims
- 0253US4186545AClutch-brake mechanismHUTCHISON MARION E·Filed 1977·Granted Feb 5, 1980·11 cites·4 claims
- 0328US4778011ASod undercutting knifeHUTCHISON MARION E·Filed 1986·Granted Oct 18, 1988·3 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →