Individual holder
BELCHER WALTER C
US·3 granted patents·74 citations·filing 1980–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0160US5056176ACutter assembly for rotary drain cleanerBELCHER WALTER C·Filed 1990·Granted Oct 15, 1991·24 cites·9 claims
- 0259US4391551ASnake cleanable fluid flow systemBELCHER WALTER C·Filed 1980·Granted Jul 5, 1983·27 cites·12 claims
- 0352US5248218ASnake cleanable fluid flow systemBELCHER WALTER C·Filed 1992·Granted Sep 28, 1993·23 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →