Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D440727 | Hand truck | William A. Keller | 2001-04-17 |
| 6059515 | Hand truck having tines and an arm for separating flakes from bales of hay and like material | William A. Keller | 2000-05-09 |
| 5665073 | Protective sheath and securement apparatus and method for surgical conduits | Christi Bulow | 1997-09-09 |