Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5434558 | Annunciator apparatus for monitoring electrical connections | — | 1995-07-18 |
| 5347095 | Electrical receptacle for use with annunciator apparatus for monitoring electrical connections | — | 1994-09-13 |
| 5258744 | Annunciator apparatus for monitoring electrical connections | — | 1993-11-02 |
| 4658242 | Impedance sensing anti-theft device | — | 1987-04-14 |