Barry W. Johnson

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Charlottesville, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Malicious fault list generation method
- Patent number 5,561,762
- Issue date Oct 1, 1996
- Union Switch & Signal Inc.
- D. Todd Smith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Traffic control system utilizing on-board vehicle information measu...
- Patent number 5,332,180
- Issue date Jul 26, 1994
- Union Switch & Signal Inc.
- Robert A. Peterson
- B61 - RAILWAYS