Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807745 | Barrier sealed packages for cigarettes and other smoking articles | William H. Langley, Carl C. Hein, III, Matthew S. Koschak | 1989-02-28 |
| 4295478 | Composite tipping structure for use on an air-ventilated cigarette and method of manufacturing same | — | 1981-10-20 |