Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824297 | Thread forming apparatus having tangential chasers for cutting a thread on a railroad spike | Chalmer C. Jordan, Robert Lybarger, Charles E. Gutshall | 1989-04-25 |
| 4682381 | Spike forming method | Chalmer C. Jordan, Robert Lybarger | 1987-07-28 |