Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7315258 | System and method for programming a code of an emergency call transmitter | — | 2008-01-01 |
| 7307522 | System and method for determining the location of a resident during an emergency within a monitored area having a plurality of residences | — | 2007-12-11 |
| 4481502 | Central smoke alarm and annunciator | — | 1984-11-06 |
| 4284126 | Environmental control system for a multiple room structure | — | 1981-08-18 |