Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687375 | Circular heading machine | — | 1987-08-18 |
| 4339078 | Tank car coating apparatus | Charles Hamilton Ford, John W. Smith, Louis L. Freeman, Jr | 1982-07-13 |
| 4194173 | Solenoid construction | Ronald L. Loup | 1980-03-18 |
| 4185661 | Solenoid operated directional valve with detent mechanism | Ronald L. Loup, Curtis H. Day | 1980-01-29 |