Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287812 | Railroad car positioning apparatus | Ernest W., Lobb, Bruce A. Robbins | 1994-02-22 |
| 5150656 | Railroad car positioning apparatus | Ernest W., Lobb, Bruce A. Robbins | 1992-09-29 |