| 10731462 |
Tunnel system |
— |
2020-08-04 |
| 6823800 |
Spring seat for a railway truck sideframe and method of making the same |
Thomas R. Berg, Thomas R. Callahan, Hector Chaidez, Ralph H. Schorr |
2004-11-30 |
| 6662853 |
Method of making bolsters and sideframes for railway car trucks |
Thomas R. Callahan, Edward R. Hanson, Charles Moehling, Ronald R. Evers, Brian A. Toussaint +2 more |
2003-12-16 |
| 6622776 |
Method of making sideframes for railway car trucks |
Thomas R. Callahan, Edward R. Hanson, Charles Moehling, Ronald R. Evers, Brian A. Toussaint +2 more |
2003-09-23 |
| 6330862 |
Dead lever lug |
Thomas R. Callahan, Charles Moehling, Ronald R. Evers, Brian A. Toussaint |
2001-12-18 |
| 6089166 |
Bolsters for railway trucks |
Thomas R. Callahan, Edward R. Hanson, Charles Moehling, Ronald R. Evers |
2000-07-18 |
| 5967053 |
Sideframes for railway trucks |
Brian A. Toussaint, Thomas R. Callahan, Edward R. Hanson, Charles Moehling, Ronald R. Evers |
1999-10-19 |
| 5954114 |
Method of making railway truck bolsters |
Thomas R. Callahan, Edward R. Hanson, Charles Moehling, Ronald R. Evers, Donald J. Lane |
1999-09-21 |
| 5752564 |
Railway truck castings and method and cores for making castings |
Thomas R. Callahan, Brian A. Toussaint, Edward R. Hanson, Charles Moehling, Ronald R. Evers +2 more |
1998-05-19 |