Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D485037 | Housekeeping cart | Donald C. Presnell, Dale T. Maza | 2004-01-06 |
| D478199 | Housekeeping cart | Donald C. Presnell, Dale T. Maza | 2003-08-05 |
| D474570 | Housekeeping cart | Donald C. Presnell, Dale T. Maza | 2003-05-13 |
| D442789 | High chair | Donald C. Presnell | 2001-05-29 |
| D420945 | Walker wheel | Joel Wittkamp | 2000-02-22 |
| D412615 | Walker attachment | Keith E. Brightbill | 1999-08-10 |
| D411343 | Cane handle | Keith E. Brightbill, Michael A. Lorenz, James D. Orr | 1999-06-22 |