Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312007 | Slackless railway coupler with draft/buff gear | Horst T. Kaufhold, John J. Steffen, David John Jarvis, David Greg Anderson | 1994-05-17 |
| 5277401 | Tank bottom diaphragm valve | Richard Dolan Randall, Wayne R. Houck | 1994-01-11 |