Michael Challis

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Swindon, GB

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Patents Grantslast 30 patents

Information Patent Grant
Overcurrent protection device
- Patent number 6,404,608
- Issue date Jun 11, 2002
- Tyco Electronics UK Ltd.
- Dennis Malcolm Pryor
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching device for telecommunications channel
- Patent number 5,818,926
- Issue date Oct 6, 1998
- Raychem Corporation
- Michael Challis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications channel testing arrangement
- Patent number 5,768,341
- Issue date Jun 16, 1998
- Raychem Limited
- Dennis Malcolm Pryor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Maintenance termination unit for telephone circuits
- Patent number 5,652,575
- Issue date Jul 29, 1997
- Raychem Limited
- Dennis Malcolm Pryor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Remotely actuated switch and protection circuit
- Patent number 5,604,785
- Issue date Feb 18, 1997
- Raychem Limited
- Dennis M. Pryor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit protection device
- Patent number 5,465,188
- Issue date Nov 7, 1995
- Raychem Limited
- Dennis M. Pryor
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit protection arrangement
- Patent number 5,319,515
- Issue date Jun 7, 1994
- Raychem Limited
- Dennis M. Pryor
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER