Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5165838 | Vehicle for transporting loads | David K. Kallansrude, William C. Aiken, William D. Powelson | 1992-11-24 |
| 5110153 | Vehicle for transporting loads | David K. Kallansrude, William C. Aiken, William D. Powelson | 1992-05-05 |