David A. Pearce

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High Wycombe, GB

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Patents Grantslast 30 patents

Information Patent Grant
Bridge device
- Patent number 6,539,020
- Issue date Mar 25, 2003
- Madge Networks Limited
- Simon Davie Barber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bridge device
- Patent number 5,924,112
- Issue date Jul 13, 1999
- Madge Networks Limited
- Simon Davie Barber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ring communication system and method for connecting a plurality of...
- Patent number 5,754,551
- Issue date May 19, 1998
- Madge Networks Limited
- Philip G. Claridge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Local area network hub unit
- Patent number 5,548,280
- Issue date Aug 20, 1996
- Madge Networks Limited
- David Pearce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data communication systems
- Patent number 5,515,404
- Issue date May 7, 1996
- Madge Networks Limited
- David A. J. Pearce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic impedance matching with potential monitoring means
- Patent number 5,459,440
- Issue date Oct 17, 1995
- Madge Networks Limited
- Philip G. Claridge
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Communication system with monitoring means connected in parallel to...
- Patent number 5,436,624
- Issue date Jul 25, 1995
- Madge Network Limited
- David A. J. Pearce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE