Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5870453 | Automatic control system for a remotely controllable sound producing device | — | 1999-02-09 |
| 5420907 | Automatic control system for a remotely controllable sound producing device | — | 1995-05-30 |
| 5091930 | Enhancement of a personal emergency response system | — | 1992-02-25 |
| 4884059 | Apparatus and method for reporting verification testing of a personal emergency response system | — | 1989-11-28 |
| 4884060 | Multi-state selection switch for a personal emergency response system | — | 1989-11-28 |
| 4760593 | Personal alarm system providing handsfree operation | Robert M. Armington, Theodore Bially, Philip H. Devlin | 1988-07-26 |
| 4686697 | Telephone care system with telephone line-checking | Richard G. Aseltine, Jr. | 1987-08-11 |
| 4524243 | Personal alarm system | — | 1985-06-18 |