Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31269 | Heat-sealable antistatic polypropylene films | William J. Andrews, William J. M. Philpott | 1983-06-07 |
| 4294882 | Heat-sealable antistatic polypropylene films | William J. Andrews, William J. M. Philpott | 1981-10-13 |