Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10988151 | System and method for controlling a level crossing of a railway track | John Charles Hounschell, II, Jeffrey Michael Fries, James Frisbie, Tony Spagnolia | 2021-04-27 |
| 8833703 | Systems and method for a crossing equipment controller | Michael W. Steffen, II, Steven Murphy, William Shields, James Strecker | 2014-09-16 |
| 8829373 | Three-axis acceleration switch array | Luke J. Currano, Larry D. Thomas, Collin R. Becker, Gabriel L. Smith | 2014-09-09 |
| 8725405 | Methods and system for crossing prediction | Michael W. Steffen, II | 2014-05-13 |