David E. Leadley

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Sheffield, GB

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Patents Grantslast 30 patents

Information Patent Grant
Fail safe shutter for use with a cross-stack monitor
- Patent number 7,469,717
- Issue date Dec 30, 2008
- Land Instruments International Ltd.
- David E. Leadley
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
CROSS-STACK MONITOR ETC.
- Publication number 20070069171
- Publication date Mar 29, 2007
- Land Instruments International Limited
- David E. Leadley
- G02 - OPTICS