Inventor · disambiguated record
W. Timothy Callaham
Also filed as: CALLAHAM W TIMOTHY
3 granted patents·196 citations·filing 1993–1995
77Inventor score
Technology areasA24D
Files withPHILIP MORRIS INC3
Top patents by PatentIndex Score
3 records- 0183US5622190AConcentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter corePHILIP MORRIS INC·Filed 1994·Granted Apr 22, 1997·103 cites·56 claims
- 0271US5746230AConcentric smoking filter having discrete tow and web filter mediaPHILIP MORRIS INC·Filed 1995·Granted May 5, 1998·55 cites·41 claims
- 0363US5365951AConcentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter corePHILIP MORRIS INC·Filed 1993·Granted Nov 22, 1994·38 cites·62 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →