Individual holder
WISTING WALTER L
4 granted patents·186 citations·filing 1975–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0190US5069197AFume hoodWISTING WALTER L·Filed 1990·Granted Dec 3, 1991·71 cites·12 claims
- 0288US4351652AFume hoodWISTING WALTER L·Filed 1981·Granted Sep 28, 1982·57 cites·4 claims
- 0374US3989488AMulti-stage air scrubbing unitWISTING WALTER L·Filed 1975·Granted Nov 2, 1976·32 cites·19 claims
- 0459US5271316AApparatus for cooking foodWISTING WALTER L·Filed 1992·Granted Dec 21, 1993·26 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →