David Andrew Stone

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Sheffield, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for driving a discharge lamp with pulses that...
- Patent number 6,274,986
- Issue date Aug 14, 2001
- University of Sheffield
- Robin Devonshire
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Sealing Head
- Publication number 20170349311
- Publication date Dec 7, 2017
- FORDS PACKAGING SYSTEMS LIMITED
- David Stone
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL