Anthony Arthur Leonard Challis

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Langport, GB

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Patents Grantslast 30 patents

Information Patent Grant
Medical dressing having a thermally expandable passage
- Patent number 5,834,093
- Issue date Nov 10, 1998
- British Technology Group Limited
- Anthony Arthur Leonard Challis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Material having a thermally expandable passage
- Patent number 5,672,406
- Issue date Sep 30, 1997
- British Technology Group Limited
- Anthony Arthur Leonard Challis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE