David Sawdon

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South Wonston, GB

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Patents Grantslast 30 patents

Information Patent Grant
Electrical appliance with reduced electric field emissions
- Patent number 5,506,455
- Issue date Apr 9, 1996
- International Business Machines Corporation
- Peter Beanlands
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cathode ray tube display apparatus
- Patent number 5,449,984
- Issue date Sep 12, 1995
- International Business Machines Corporation
- David Sawdon
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display system
- Patent number 5,276,458
- Issue date Jan 4, 1994
- International Business Machines Corporation
- David Sawdon
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Optical fibre communication link for connecting a peripheral device...
- Patent number 5,132,827
- Issue date Jul 21, 1992
- International Business Machines Corporation
- Kenneth G. Smith
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Coaxial cable terminal
- Patent number 5,078,619
- Issue date Jan 7, 1992
- International Business Machines Corporation
- Daniel J. Whittle
- H01 - BASIC ELECTRIC ELEMENTS