Jack Woollven

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Hawley, GB

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Patents Grantslast 30 patents

Information Patent Grant
Fault location methods and apparatus using current pulse injection
- Patent number 4,445,085
- Issue date Apr 24, 1984
- Membrain Limited
- Eric Metcalf
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for receiving carrier-borne digital signals in...
- Patent number 4,428,061
- Issue date Jan 24, 1984
- Sangamo Weston Limited
- Michael J. Skinner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fault location methods and apparatus using current pulse injection
- Patent number 4,377,782
- Issue date Mar 22, 1983
- Membrain Limited
- Eric Metcalf
- G06 - COMPUTING CALCULATING COUNTING