Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6371033 | High capacity integrated railway car truck | Stephen W. Smith, John W. Coulborn, V. Terrey Hawthorne, Samuel R. Williams, John D. Oliver +1 more | 2002-04-16 |
| 5891266 | Method and system for cutting hub bores in railroad wheels | Neil E. Konrardy, Daniel H. Gray, Brian L. VanLaar | 1999-04-06 |
| 5407031 | Railroad brake shoe | — | 1995-04-18 |
| 5341904 | Railroad brake shoe | — | 1994-08-30 |
| 5333926 | Railway wheel | Michael T. Gallagher, Michael J. Hendricksen, John D. Oliver, Mark A. Polzin | 1994-08-02 |
| 5319892 | Method for sprue removal and grinding of railroad wheels | Charles W. Taff, Jaime F. Pozo | 1994-06-14 |
| 5234082 | Railroad brake shoe | — | 1993-08-10 |
| 5209021 | Apparatus and method for sprue removal and grinding of railroad wheels | Charles W. Taff, Jaime F. Pozo | 1993-05-11 |
| 5132065 | Method for producing friction compositions and products | — | 1992-07-21 |