Individual holder
HAYES ERNEST B
GB·3 granted patents·77 citations·filing 1982–1989
Individually held — no corporate assignee on record.
Technology mixA24D3
Top patents by PatentIndex Score
3 records- 0172US5012828ATobacco smoke filter containing particulate additiveHAYES ERNEST B·Filed 1989·Granted May 7, 1991·42 cites·12 claims
- 0257US4492240ASmoke filterHAYES ERNEST B·Filed 1982·Granted Jan 8, 1985·24 cites·16 claims
- 0345US4480649AFilter deviceHAYES ERNEST B·Filed 1982·Granted Nov 6, 1984·11 cites·6 claims
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