Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5016912 | Trailer suspension apparatus | Earl Dallas Smith, Herbert Cooper | 1991-05-21 |
| 4934733 | Trailer suspension apparatus | Earl Dallas Smith, Herbert Cooper | 1990-06-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5016912 | Trailer suspension apparatus | Earl Dallas Smith, Herbert Cooper | 1991-05-21 |
| 4934733 | Trailer suspension apparatus | Earl Dallas Smith, Herbert Cooper | 1990-06-19 |