Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7278359 | Railway car for transporting semi-trucks | Ralph H. Schorr, Robert J. Cencer, Robert Ortner, James M. Simpson | 2007-10-09 |
| 7275488 | Auto rack railway car | James E. Black, Jr., Andrew B. Eaker, Mark L. Litherland, James C. Robertson, Ralph H. Schorr | 2007-10-02 |
| 6935245 | Railway car for transporting semi-trucks | Ralph H. Schorr, Robert J. Cencer, Robert Ortner, James M. Simpson | 2005-08-30 |
| 6289822 | Auto rack railway car | James E. Black, Jr., Andrew B. Eaker, Mark L. Litherland, James C. Robertson, Ralph H. Schorr | 2001-09-18 |
| 5829360 | Auto rack door lock | Eric Matthew Wrobley | 1998-11-03 |
| 5765486 | Auto rack railway car | James E. Black, Jr., Andrew B. Eaker, Mark L. Litherland, James C. Robertson, Ralph H. Schorr | 1998-06-16 |
| 5657698 | Pivot plate assembly for articulated railway cars | James E. Black, Jr., Donald J. Blunden, Ralph H. Schorr | 1997-08-19 |
| 4979856 | Vehicle cantilever chock block apparatus for railroad car transport of vehicles | Donald J. Blunden | 1990-12-25 |
| 4838743 | Vehicle cantilever chock block apparatus for railroad car transport of vehicles | Donald J. Blunden | 1989-06-13 |