Ronald W. Watt

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Glasgow, GB

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Patents Grantslast 30 patents

Information Patent Grant
Security door assembly
- Patent number 5,214,878
- Issue date Jun 1, 1993
- SPS (Holdings) Ltd.
- Ronald W. Watt
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Security closure
- Patent number 5,207,022
- Issue date May 4, 1993
- SPS (Holdings) Ltd.
- Ronald W. Watt
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Security closure
- Patent number 4,938,154
- Issue date Jul 3, 1990
- Ronald W. Watt
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS