Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7275488 | Auto rack railway car | Andrew B. Eaker, Mark L. Litherland, Michael J. Rench, James C. Robertson, Ralph H. Schorr | 2007-10-02 |
| 6289822 | Auto rack railway car | Andrew B. Eaker, Mark L. Litherland, Michael J. Rench, James C. Robertson, Ralph H. Schorr | 2001-09-18 |
| 5782187 | Pivot plate assembly for articulated railway cars | Ivan Gaster | 1998-07-21 |
| 5765486 | Auto rack railway car | Andrew B. Eaker, Mark L. Litherland, Michael J. Rench, James C. Robertson, Ralph H. Schorr | 1998-06-16 |
| 5740234 | Telephone call monitoring method and apparatus | Bret A. Cooper, Brian Freeman, Donald M. Gerth, Richard Jordan, Steven T. Kaish +6 more | 1998-04-14 |
| 5704250 | Ball screw drive with dynamically adjustable preload | — | 1998-01-06 |
| 5657698 | Pivot plate assembly for articulated railway cars | Donald J. Blunden, Michael J. Rench, Ralph H. Schorr | 1997-08-19 |
| 5500796 | Method for extracting open-issue data from textual specifications using natural language text processing | — | 1996-03-19 |
| 5331556 | Method for natural language data processing using morphological and part-of-speech information | Uri Zernik | 1994-07-19 |
| 4936227 | End door for rail car | William R. Baker, James O. Lett | 1990-06-26 |
| 4898122 | Tile mounting system | — | 1990-02-06 |
| 4730562 | Vehicle transporting railroad car with brace bays | William R. Baker | 1988-03-15 |