Otto Meier

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Hombrechtikon, CH

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Patents Grantslast 30 patents

Information Patent Grant
Automatic surveillance device
- Patent number 5,939,994
- Issue date Aug 17, 1999
- Cerberus A.G.
- Otto Meier
- G08 - SIGNALLING
Information Patent Grant
Adjustable ionization chamber
- Patent number 4,194,120
- Issue date Mar 18, 1980
- Cerberus AG
- Otto Meier
- G08 - SIGNALLING
Information Patent Grant
Ionization-type fire or smoke sensing system
- Patent number RE30117
- Issue date Oct 16, 1979
- Cerberus AG
- Andreas Scheidweiler
- 250 - Radiant energy
Information Patent Grant
Ionization-type fire or smoke sensing system
- Patent number 4,037,106
- Issue date Jul 19, 1977
- Cerberus AG
- Andreas Scheidweiler
- G08 - SIGNALLING