Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5895301 | Hand-tearable moisture barrier laminate | John Porter | 1999-04-20 |
| 5881521 | Hand-tearable moisture barrier laminate | John Porter | 1999-03-16 |
| 5869408 | Hand-tearable moisture barrier laminate | John Porter | 1999-02-09 |
| 5733824 | Hand-tearable moisture barrier laminate | John Porter | 1998-03-31 |