Derek Richards

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Longhope, GB

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Patents Grantslast 30 patents

Information Patent Grant
Invalid hoist with laterally adjustable base
- Patent number 5,412,820
- Issue date May 9, 1995
- Arjo Limited
- Derek Richards
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Invalid hoist
- Patent number 5,369,821
- Issue date Dec 6, 1994
- Arjo Limited
- Derek Richards
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE