W. Brian Christie

Follow

Person

Allison Park, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Geographic information system and method for monitoring dynamic tra...
- Patent number 7,542,831
- Issue date Jun 2, 2009
- Ansaldo STS USA, Inc.
- W. Brian Christie
- B61 - RAILWAYS
Information Patent Grant
Geographic information system and method for monitoring dynamic tra...
- Patent number 7,395,140
- Issue date Jul 1, 2008
- Union Switch & Signal, Inc.
- W. Brian Christie
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
GEOGRAPHIC INFORMATION SYSTEM AND METHOD FOR MONITORING DYNAMIC TRA...
- Publication number 20080158017
- Publication date Jul 3, 2008
- W. BRIAN CHRISTIE
- B61 - RAILWAYS
Information Patent Application
Geographic information system and method for monitoring dynamic tra...
- Publication number 20050192720
- Publication date Sep 1, 2005
- W. Brian Christie
- B61 - RAILWAYS