Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10428586 | Reamer assembly | David B. Wagner, Robert H. Slaughter, Jr. | 2019-10-01 |
| 6025789 | Train proximity detector | Jack M. Erick | 2000-02-15 |
| 5739768 | Train proximity detector | Jack M. Erick | 1998-04-14 |