John Reginald Spray

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Auckland, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for communication in an electric fence wiring...
- Patent number 6,081,198
- Issue date Jun 27, 2000
- Tru-Test Limited
- Paul Robert Adamson
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING