W. R. Merritt

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Nepean, CA

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Patents Grantslast 30 patents

Information Patent Grant
Light weight vault door
- Patent number 4,489,663
- Issue date Dec 25, 1984
- Canadian Patents and Development Limited
- D. W. Poag
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Light weight vault wall
- Patent number 4,455,801
- Issue date Jun 26, 1984
- Canadian Patents and Development Limited
- W. R. Merritt
- E04 - BUILDING