Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638276 | Microprocessor based system and method for regulating a railroad car brake pipe pressure | — | 1997-06-10 |
| 5634696 | Railway brake pipe bracket with access ports | Gary M. Sich, Gregory L. Johnston | 1997-06-03 |