Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5522627 | Security seal | — | 1996-06-04 |
| 5382061 | Bag seal | Donald Ruth | 1995-01-17 |
| 5116091 | Locking or security seal with protective shroud | — | 1992-05-26 |
| 4950007 | Ball seal | — | 1990-08-21 |
| 4836590 | Security seal with tampering indicator | — | 1989-06-06 |
| 4811977 | Labeled security seal | Frank Venable | 1989-03-14 |
| 4793644 | Security seal with dye | — | 1988-12-27 |
| 4782613 | Identification seal for electricial cable | Richard S. Guiler | 1988-11-08 |
| 4775175 | Security seal having a color coded tampering indicator | — | 1988-10-04 |
| 4697833 | Security seal | — | 1987-10-06 |
| 4687240 | Security seal of the padlock type | — | 1987-08-18 |
| 4664432 | Security seal and seal assembly | — | 1987-05-12 |
| 4586570 | Combination seal and locking pin | — | 1986-05-06 |
| 4544190 | Connection nut seal | Sarah B. S. Rivara | 1985-10-01 |
| 4506921 | Security seal | — | 1985-03-26 |
| 4506415 | Security seal and tag holder | — | 1985-03-26 |
| 4500124 | Seal of the padlock type | — | 1985-02-19 |
| 4460203 | Seal of the padlock type | Sigurd M. Moberg | 1984-07-17 |
| 4441233 | Security seal with weakened portion in stud | — | 1984-04-10 |