Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4925602 | Method for improving the crimping of polyolefin filter tow | Michael Douglas Hill | 1990-05-15 |
| 4874000 | Method and apparatus for drying and cooling extruded tobacco-containing material | Ronald A. Tamol, Jose Nepomuceno, Gus D. Keritsis, George H. Burnett, Richard A. Thesing +1 more | 1989-10-17 |
| 4848375 | Filter cigarette | Gregorio I. Patron, Paul N. Gauvin, Francis M. Sprinkel | 1989-07-18 |
| 4756316 | Method for producing a cigarette filter rod | Gus D. Keritsis | 1988-07-12 |
| 4687009 | Adjustable filter cigarette and method of manufacture thereof | — | 1987-08-18 |
| 4687008 | Filter cigarette | Willie G. Houck, Jr., Francis M. Sprinkel, Reginald W. Newsome, David B. Spruill | 1987-08-18 |
| 4649944 | Filter cigarette | Willie G. Houck, Jr., Reginald W. Newsome | 1987-03-17 |
| 4646763 | Adjustable filter cigarette | — | 1987-03-03 |
| 4638818 | Method of making a filter cigarette | Reginald W. Newsome | 1987-01-27 |
| 4625737 | Foamed, extruded, tobacco-containing smoking article and method of making the same | Gus D. Keritsis, George H. Burnett, Richard A. Thesing, Jose Nepomuceno | 1986-12-02 |
| 4601298 | Filter cigarette | Reginald W. Newsome | 1986-07-22 |
| 4600027 | Cigarette and method of making it | Willie G. Houck, Jr., Reginald W. Newsome, Richard A. Thesing | 1986-07-15 |
| 4570649 | Filter cigarette | Reginald W. Newsome | 1986-02-18 |
| 4532943 | Adjustable filter cigarette | Reginald W. Newsome | 1985-08-06 |
| 4526183 | Filter cigarette | Reginald W. Newsome, Willard A. Geiszler, Jr. | 1985-07-02 |
| 4510950 | Foamed, extruded, tobacco-containing smoking article and method of making same | Gus D. Keritsis | 1985-04-16 |
| 4409995 | Method for applying particulate matter to tobacco | — | 1983-10-18 |
| 4313339 | Rheometer and rheological measuring method | George L. Mathe | 1982-02-02 |