Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662853 | Method of making bolsters and sideframes for railway car trucks | Anthony J. Bauer, Thomas R. Callahan, Edward R. Hanson, Ronald R. Evers, Brian A. Toussaint +2 more | 2003-12-16 |
| 6622776 | Method of making sideframes for railway car trucks | Anthony J. Bauer, Thomas R. Callahan, Edward R. Hanson, Ronald R. Evers, Brian A. Toussaint +2 more | 2003-09-23 |
| 6330862 | Dead lever lug | Thomas R. Callahan, Anthony J. Bauer, Ronald R. Evers, Brian A. Toussaint | 2001-12-18 |
| 6125767 | Railway truck sideframe with reinforced columns | V. Terrey Hawthorne, Brian A. Toussaint, Ronald D. Golembiewski | 2000-10-03 |
| 6089166 | Bolsters for railway trucks | Thomas R. Callahan, Anthony J. Bauer, Edward R. Hanson, Ronald R. Evers | 2000-07-18 |
| 5967053 | Sideframes for railway trucks | Brian A. Toussaint, Thomas R. Callahan, Anthony J. Bauer, Edward R. Hanson, Ronald R. Evers | 1999-10-19 |
| 5954114 | Method of making railway truck bolsters | Anthony J. Bauer, Thomas R. Callahan, Edward R. Hanson, Ronald R. Evers, Donald J. Lane | 1999-09-21 |
| 5921186 | Bolster land arrangement for a railcar truck | V. Terrey Hawthorne, Charles P. Spencer, Terry L. Pitchford | 1999-07-13 |
| 5752564 | Railway truck castings and method and cores for making castings | Thomas R. Callahan, Brian A. Toussaint, Anthony J. Bauer, Edward R. Hanson, Ronald R. Evers +2 more | 1998-05-19 |
| 5086708 | Railcar truck bolster with immobilized friction shoes | Franklin S. McKeown, Jr., Charles P. Spencer | 1992-02-11 |
| 4953471 | Friction shoe assembly for repair of worn railway truck | Robert D. Wronkiewicz | 1990-09-04 |
| 4838174 | Railway truck bolster with improved brake attachment | — | 1989-06-13 |
| 4811668 | Three axle railway truck | — | 1989-03-14 |
| 4637319 | Bolster friction shoe pocket | James A. Henkel | 1987-01-20 |
| 4186914 | Dual rate spring device for railroad car trucks | Robert P. Radwill | 1980-02-05 |