Robert P. Haag

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Frederick, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Automated voice transmission of movement authorities in railroad no...
- Patent number 6,959,233
- Issue date Oct 25, 2005
- Westinghouse Air Brake Technologies Corporation
- Joseph Hungate
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
Automated voice transmission of movement authorities in railroad no...
- Publication number 20040176884
- Publication date Sep 9, 2004
- Joseph Hungate
- B61 - RAILWAYS
Information Patent Application
System to provide enhanced security and control of locomotives and...
- Publication number 20040104311
- Publication date Jun 3, 2004
- WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
- Emilio A. Fernandez
- B61 - RAILWAYS