Inventor · disambiguated record

William T. Callaham

Also filed as: CALLAHAM WILLIAM T

2 granted patents·64 citations·filing 1986–1990

65Inventor score

Technology areasA24B A24D

Files withPHILIP MORRIS INC2

Top patents by PatentIndex Score

2 records

0167US5178166AFilter cigarettePHILIP MORRIS INC·Filed 1990·Granted Jan 12, 1993·49 cites·15 claims
0245US4696312AMethod and apparatus for producing cigarette fillerPHILIP MORRIS INC·Filed 1986·Granted Sep 29, 1987·15 cites·10 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →