Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847142 | Moisture permeable film for lamination to a textile material | Ian C. Twilley | 1989-07-11 |
| 4808675 | Moisture permeable film for lamination to a textile material | Ian C. Twilley | 1989-02-28 |