Inventor · disambiguated record
Richard D. Chumney, Jr.
Also filed as: CHUMNEY JR RICHARD D · CHUMNEY JR RICHARD DOUGLAS
4 granted patents·54 citations·filing 1976–1987
76Inventor score
Top patents by PatentIndex Score
4 records- 0158US4094323ASmoking article and methodAMERICAN BRANDS·Filed 1976·Granted Jun 13, 1978·24 cites·10 claims
- 0251US4726385AMethod of fabricating an all-tobacco cigarette controlling tar delivery and an all-tobacco cigaretteAMERICAN TOBACCO CO·Filed 1986·Granted Feb 23, 1988·21 cites·5 claims
- 0332US4616664ATobacco productAMERICAN BRANDS·Filed 1981·Granted Oct 14, 1986·5 cites·29 claims
- 0430US5007439AMethod of fabricating an all-tobacco cigarette controlling tar delivery and an all-tobacco cigaretteAMERICAN TOBACCO CO·Filed 1987·Granted Apr 16, 1991·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →