Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5741034 | Electromagnetic door holder apparatus | Gurdev Bains | 1998-04-21 |
| 5721672 | Core modules for a life safety system and structure for supporting such modules in a panel housing | Kenneth W. Patterson | 1998-02-24 |
| 5721530 | Stand alone mode for alarm-type module | Robert W. Right, John P. Hewlin | 1998-02-24 |
| 5701115 | Field programmable module personalities | Robert W. Right, John P. Hewlin | 1997-12-23 |
| 5670937 | Line monitor for two wire data transmission | Robert W. Right | 1997-09-23 |
| 5459955 | Lighting device used in an exit sign | Charles R. Ruskouski, James J. Burnes, James R. Carson | 1995-10-24 |
| D260498 | Smoke detector housing | John M. Macmillan | 1981-09-01 |
| 4238679 | Dual-chamber ionization smoke detector assembly | John M. Macmillan | 1980-12-09 |