Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470692 | Air return bulkhead with filter | David B. Ziegler, Verlin Wirth, Phillip R. Boudewyns | 2002-10-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470692 | Air return bulkhead with filter | David B. Ziegler, Verlin Wirth, Phillip R. Boudewyns | 2002-10-29 |