Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494508 | Tamper evident security seal | Richard Dreisbach, George Lundberg | 2002-12-17 |
| 6390519 | Rotatable seal | Richard Dreisbach | 2002-05-21 |
| 6345847 | Security seal and lock | Richard Dreisbach, Terrence N. Brammall, Craig Hamilton | 2002-02-12 |