Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6206483 | Empty-load device with brake cylinder test port | — | 2001-03-27 |
| 6138715 | One-piece ballkey | Robert Neulieb | 2000-10-31 |
| RE35969 | Single sided control valve and pipe bracket arrangement | Robert Gayfer | 1998-11-24 |
| 5478142 | Single sided control valve and pipe bracket arrangement | Robert Gayfer | 1995-12-26 |