Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911646 | Jack security device | Joseph A. Marson | 1990-03-27 |
| 4846708 | Jack security device | Joseph A. Marson | 1989-07-11 |
| 4840582 | Modular plug identification tag | — | 1989-06-20 |
| 4651340 | Telephone entrance terminal and network interface | — | 1987-03-17 |