David Malcolm Lewis

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Otley, EN

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Patents Grantslast 30 patents

Information Patent Grant
Cross-linkable compounds
- Patent number 4,032,565
- Issue date Jun 28, 1977
- I.W.S. Nominee Company Limited
- David John Kilpatrick
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Esters of sulfothio alkanoic acids
- Patent number 3,968,146
- Issue date Jul 6, 1976
- I.W.S. Nominee Company Limited
- David Malcolm Lewis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polymer treatment of fibrous and filamentary materials
- Patent number 3,933,421
- Issue date Jan 20, 1976
- I.W.S. Nominee Company Limited
- David Malcolm Lewis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE