Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7275797 | Lateral file | Dave Timmermann, Joanna DeWeerd, William L. Cleair, Victor H. Tan, David A. Beurkens +1 more | 2007-10-02 |
| 6877831 | Housing for free-standing file cabinet | David H. Timmerman, Joanna C. De Weerd, William L. Cleair, Eric Hill | 2005-04-12 |