Saunders-Roe Development Limited

Follow

Organization

Middlesex, GB

Organizations

Please log in for detailed analytics

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