Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D442804 | Book support rack | — | 2001-05-29 |
| 6105790 | Book storage and learning center | — | 2000-08-22 |
| 5823230 | Heat exchanger assembly method and tube plug for heat exchanger | Kevin L. Freestone, Edward Olen Smouse, Mabel Winifred Smith, Herbert Allen Weaver, Alvan Harold Johnson +3 more | 1998-10-20 |