Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449877 | Air dryer for use in a vehicle wash system | Daniel C. Hanna, Wayne E. Carlson, Ira William Wills | 2002-09-17 |
| D415863 | Frame for car wash equipment | Daniel C. Hanna, Gary B. Fulmer, Dale Scott Marion | 1999-10-26 |