Saunders-Roe Development Limited

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Middlesex, GB

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting devices
- Patent number 4,947,475
- Issue date Aug 7, 1990
- Saunders-Roe Development Limited
- Alfred N. Bright
- F21 - LIGHTING
Information 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

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