Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4222821 | Casing paper having alkali resistance | Alistair C. Stewart, Colin Elston | 1980-09-16 |
| 4218286 | Paper having good absorbency and alkali resistance and method of making said paper | Alistair C. Stewart | 1980-08-19 |