Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653408 | Direct support frog assembly | Ronald Lee Lancaster, Ted A. Rittenhouse, Kenneth L. Schultz, Keith Young | 1997-08-05 |
| 5598993 | Pseudo heavy point frog assembly | Keith Young | 1997-02-04 |
| 5595361 | Wing rail hold-down | James A. Remington, Keith Young | 1997-01-21 |