Per Lindholm

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Stockholm, SE

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Patents Grantslast 30 patents

Information Patent Grant
Switch having two sets of contact elements
- Patent number 9,035,212
- Issue date May 19, 2015
- ABB Technology AG
- Lars Liljestrand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for preventing external detection of signal in...
- Patent number 5,351,292
- Issue date Sep 27, 1994
- Cominvest Research AB
- Per Lindholm
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for preventing extraneous detection of signal...
- Patent number 5,321,747
- Issue date Jun 14, 1994
- Sheild Research in Sweden
- Per Lindholm
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for preventing extraneous detection of signal...
- Patent number 5,216,713
- Issue date Jun 1, 1993
- Shield Research in Sweden
- Per Lindholm
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for preventing external detection of signal in...
- Patent number 5,157,725
- Issue date Oct 20, 1992
- Cominvest Research AB
- Per Lindholm
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SWITCH HAVING TWO SETS OF CONTACT ELEMENTS
- Publication number 20130098874
- Publication date Apr 25, 2013
- ABB TECHNOLOGY AG
- Lars LILJESTRAND
- H01 - BASIC ELECTRIC ELEMENTS