John Franklin Hayhurst

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Stockport, GB

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 7,181,798
- Issue date Feb 27, 2007
- Donut Safety Systems Limited
- John Franklin Hayhurst
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
DESCENDING DEVICE
- Publication number 20090242326
- Publication date Oct 1, 2009
- DONUT SAFETY SYSTEMS LIMITED
- John Franklin Hayhurst
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
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- Publication number 20050102760
- Publication date May 19, 2005
- John Franklin Hayhurst
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS