Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119412 | Method and a system for remotely switching and/or regulating and monitoring and electrically operated device or an environment by the use of signals generated by a telephone or a modem | — | 1992-06-02 |
| 4845773 | Method and a system for remotely switching an electrically operated device by the use of signals generated by a telephone | — | 1989-07-04 |