| 9988768 |
System, method, and apparatus to restrict movement of railway guard bar |
Phillip R. Merrifield |
2018-06-05 |
| 9932054 |
Double point derail switch |
Phillip R. Merrifield, Russell R. Hein |
2018-04-03 |
| 8474730 |
Track system including a guardrail |
Brian Alvin Laws, Robert C. Roberts |
2013-07-02 |
| 7793891 |
Railway diamond crossing |
Russell R. Hein, Robert C. Roberts |
2010-09-14 |
| 7574820 |
Jack stand for plow hitch |
Charles S. Musso, Jr., Tom W. Musso |
2009-08-18 |
| 7526883 |
Plow hitch with cam locking blocks |
Charles S. Musso, Jr., Tom W. Musso |
2009-05-05 |
| 7472837 |
System, method, and apparatus for railroad guide rail support |
Robert C. Roberts, Mark Sutcliffe |
2009-01-06 |
| 7467748 |
System, method, and apparatus for railroad guide rail support |
Robert C. Roberts, Mark Sutcliffe |
2008-12-23 |
| 6971610 |
Railway diamond wedge crossing with reversible beam castings |
Russell R. Hein, Robert C. Roberts |
2005-12-06 |
| 6758406 |
Rail switch brace |
— |
2004-07-06 |
| 6393644 |
Bridge joint |
— |
2002-05-28 |
| 6363564 |
Three-piece bridge joint |
— |
2002-04-02 |
