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Alfred N. Bright
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Marlow, GB
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last 30 patents
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Patent Grant
Light emitting devices
Patent number
4,947,475
Issue date
Aug 7, 1990
Saunders-Roe Development Limited
Alfred N. Bright
F21 - LIGHTING
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Patent Grant
Self luminous characters and signs incorporating same
Patent number
4,928,414
Issue date
May 29, 1990
Saunders-Roe Development Limited
Alfred N. Bright
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS