Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917753 | Two-sided adhesive tape | Joyce E. Ferm | 1990-04-17 |
| 4770914 | Two-sided adhesive tape | Joyce E. Ferm | 1988-09-13 |
| 4691409 | Hinge mask | Joyce E. Ferm | 1987-09-08 |
| 4582737 | Double surfaced adhesive tape | Joyce E. Ferm | 1986-04-15 |