Michael S. Birkin

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Beeston, GB

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Patents Grantslast 30 patents

Information Patent Grant
Train communication system
- Patent number 4,932,614
- Issue date Jun 12, 1990
- British Railways Board
- Michael S. Birkin
- B61 - RAILWAYS
Information Patent Grant
Control system for controlling the passage of vehicles
- Patent number 4,538,781
- Issue date Sep 3, 1985
- British Railways Board
- Michael S. Birkin
- B61 - RAILWAYS