Michael J. Hewitt

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Leicester, GB

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Patents Grantslast 30 patents

Information Patent Grant
Cored plastics profiles and manufacture of frames for windows and t...
- Patent number 4,481,701
- Issue date Nov 13, 1984
- Michael J. Hewitt
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Cored plastics profiles and manufacture of frames for windows and t...
- Patent number 4,420,920
- Issue date Dec 20, 1983
- Michael J. Hewitt
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS