Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859203 | Electrical wire connectors | — | 1989-08-22 |
| 4823089 | Burglar alarm fault detector | Yehudah Z. Eckhaus | 1989-04-18 |
| 4806711 | Door jamb button | — | 1989-02-21 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859203 | Electrical wire connectors | — | 1989-08-22 |
| 4823089 | Burglar alarm fault detector | Yehudah Z. Eckhaus | 1989-04-18 |
| 4806711 | Door jamb button | — | 1989-02-21 |