Michael E. Colbaugh

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Levelgreen, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Railway structure hazard predictor
- Patent number 5,529,267
- Issue date Jun 25, 1996
- Union Switch & Signal Inc.
- Theo C. Giras
- B61 - RAILWAYS
Information Patent Grant
Railway coded track circuit apparatus and method utilizing fiber op...
- Patent number 5,330,136
- Issue date Jul 19, 1994
- Union Switch & Signal Inc.
- Michael E. Colbaugh
- B61 - RAILWAYS
Information Patent Grant
Cab signalling system utilizing coded track circuit signals
- Patent number 5,263,670
- Issue date Nov 23, 1993
- Union Switch & Signal Inc.
- Michael E. Colbaugh
- B61 - RAILWAYS