John A. B. Hirst

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Wolverhampton, GB

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Patents Grantslast 30 patents

Information Patent Grant
Fastener device
- Patent number 4,525,114
- Issue date Jun 25, 1985
- Rotabolt Limited
- John A. B. Hirst
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...