David L. Cook

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Rangiora, NZ

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Patents Grantslast 30 patents

Information Patent Grant
In Line rewirable switch device
- Patent number 6,007,377
- Issue date Dec 28, 1999
- PDL Holdings Limited
- David Langman Cook
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch mechanism
- Patent number 5,517,165
- Issue date May 14, 1996
- PDL Holdings Limited
- David L. Cook
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching mechanism
- Patent number 5,457,444
- Issue date Oct 10, 1995
- PDL Holdings Limited
- David L. Cook
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER