Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746230 | Concentric smoking filter having discrete tow and web filter media | W. Timothy Callaham, Gus D. Keritsis, Morris F. White | 1998-05-05 |
| 5622190 | Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core | W. Timothy Callaham, Gus D. Keritsis, Donald E. Laslie, Kenneth A. Newman, Roger S. Slagle +1 more | 1997-04-22 |
| 5365951 | Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core | W. Timothy Callaham, Gus D. Keritsis, Donald E. Laslie, Kenneth A. Newman, Roger S. Slagle +1 more | 1994-11-22 |
| 5168884 | Smoking articles using novel paper wrapper | Sheryl D. Baldwin, Edward B. Sanders, James L. Myracle, Jr., Barbro L. Goodman, Willard A. Geiszler, Jr. +2 more | 1992-12-08 |
| 5161551 | Paper wrapper having improved ash characteristics | Edward B. Sanders, Sheryl D. Baldwin, Barbro L. Goodman, James L. Myracle, Jr. | 1992-11-10 |