Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4305409 | Cigarette making machines | Kenneth B. Matthews, Jan A. Rakowicz | 1981-12-15 |
| 4290518 | Filter attachment machines | Ivan Yehudi Hirsh, Edward G. Preston, Robert E. Williams | 1981-09-22 |
| 4276891 | Trimming devices for cigarette-making machines | Jan A. Rakowicz | 1981-07-07 |
| 4207907 | Cigarette making machine | — | 1980-06-17 |