Vihtori Lehtonen

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Lannevesi, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method and control arrangement to secure an alarm system
- Patent number 9,269,258
- Issue date Feb 23, 2016
- Vihtori Lehtonen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND CONTROL ARRANGEMENT TO SECURE AN ALARM SYSTEM
- Publication number 20150154852
- Publication date Jun 4, 2015
- Vihtori Lehtonen
- G08 - SIGNALLING