Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4507535 | Method and apparatus for perforating material | William Thomas Bennett | 1985-03-26 |
| 4302654 | Microperforation of cigarette tipping paper by use of laser beam | William Thomas Bennett | 1981-11-24 |