Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7275701 | Adjustable discharge apparatus | Douglas E. Wysong | 2007-10-02 |
| 6921037 | Adjustable discharge apparatus | Douglas E. Wysong | 2005-07-26 |
| 5299888 | Apparatus for conveying and discharging bulk materials | Douglas E. Wysong | 1994-04-05 |
| 5181804 | Apparatus for conveying and discharging bulk materials | Douglas E. Wysong | 1993-01-26 |