| 5381130 |
Optical smoke detector with active self-monitoring |
Marc Thuillard, Kurt Hess |
1995-01-10 |
| 4757303 |
Alarm system |
— |
1988-07-12 |
| 4612534 |
Method of transmitting measuring values in a monitoring system |
Richard J. Buehler, Jurg Muggli, Eugen Schibli |
1986-09-16 |
| 4582996 |
Electrode insulating member for ionization fire alarm |
Jurg Muggli, Bernhard Durrer |
1986-04-15 |
| 4568924 |
Method of and apparatus for signalling an alarm |
Alfred Wuthrich, Jurg Muggli |
1986-02-04 |
| 4475390 |
Smoke detector |
— |
1984-10-09 |
| 4405919 |
Method of fire detection and fire detection installation |
— |
1983-09-20 |
| 4404548 |
Method for transmitting measuring values in a fire alarm system and apparatus for the performance of the aforesaid method |
Peter Mueller, Eugen Schibli, Jurg Muggli |
1983-09-13 |
| 4384488 |
Smoke detector |
— |
1983-05-24 |
| 4364031 |
Ionization smoke detector with increased operational reliability |
Peter Muller |
1982-12-14 |
| 4194120 |
Adjustable ionization chamber |
Otto Meier |
1980-03-18 |