Automatic fire alarm system
United States Patent 2667630
US Patent References:
Combustible gas alarm and control
- - 2219391
Telemetering system
- - 2427180
Rate-of-rise temperature responsive system
- - 2553603
Fire warning device
- - 2577973
Combustible gas alarm and control
- - 2219391
Telemetering system
- - 2427180
Rate-of-rise temperature responsive system
- - 2553603
Fire warning device
- - 2577973
Inventors:
Lars, Jorgensen Asger
Publication Date:
01/26/1954
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Assignee:
Lars, Jorgensen Asger
Primary Class:
Other Classes:
340/595, 340/599, 340/693.100, 340/517
International Classes:
G08B17/06
Foreign References:
| SE114906A | ||||
| GB632279A |