Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6062825 | Air compressor aftercooler with automatic heated drain valve and start-up shut-off | — | 2000-05-16 |
| 5941271 | Water release valve | — | 1999-08-24 |
| 5865208 | Water release valve | — | 1999-02-02 |
| 5439276 | Tamper-resistant independent brake valve device for locomotive air brake equipment | Frank J. Jerina, Michael E. Romansky | 1995-08-08 |
| 5106270 | Air-cooled air compressor | Walter E. Goettel, Daniel Wagner, Richard S. Patterson | 1992-04-21 |