Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10188139 | Additives for tobacco cut filler | San Li, Raquel Olegario, Kenneth H. Shafer | 2019-01-29 |
| 9894928 | Additives for tobacco cut filler | San Li, Raquel Olegario, Kenneth H. Shafer | 2018-02-20 |
| 8201564 | Cigarette filters | Mark A. McHugh, Georgios D. Karles, Diane L. Gee, Zhihao Shen, Munmaya K. Mishra | 2012-06-19 |
| 6116247 | Cleaning unit for the heater fixture of a smoking device | Aubry T. Burton, John M. Campbell, Woontung G. Chan, Mary Ellen Counts, William J. Crowe +8 more | 2000-09-12 |
| 5037459 | Device for controlling relative humidity within a substantially sealed container | David B. Spruill, Thomas V. Van Auken | 1991-08-06 |
| 5035731 | Device for controlling relative humidity within a substantially sealed container | David B. Spruill, Thomas V. Van Auken | 1991-07-30 |
| 4890053 | Method and apparatus for detecting a missing object in a set of objects | Aubrey T. Burton, Bernard C. Laroy, David A. Lowitz | 1989-12-26 |
| 4497330 | Process for increasing the filling power of tobacco | Cassandra D. Owens, Elizabeth D. Mooz, A. Clifton Lilly, Jr., Peter Martin, Henry B. Merritt +1 more | 1985-02-05 |
| 4333482 | Process for increasing filling power of reconstituted tobacco | — | 1982-06-08 |