Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836590 | Security seal with tampering indicator | — | 1989-06-06 |
| 4811977 | Labeled security seal | Frank Venable | 1989-03-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836590 | Security seal with tampering indicator | — | 1989-06-06 |
| 4811977 | Labeled security seal | Frank Venable | 1989-03-14 |