John A. Carruthers

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Auckland, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Trailer couplings
- Patent number 4,241,936
- Issue date Dec 30, 1980
- Carruthers; John Abbott
- John A. Carruthers
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Snag-resistant anchor
- Patent number 4,134,355
- Issue date Jan 16, 1979
- John A. Carruthers
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT