Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759659 | Variable vibrator system | — | 1988-07-26 |
| 4482285 | Load carrier assembly | — | 1984-11-13 |
| 4427334 | Load handling apparatus | Warren E. Esterberg, Quentin K. Fadness, Howard A. Stewart, Robert J. Ringwelski | 1984-01-24 |
| 4268216 | Load lifting and carrying machine | — | 1981-05-19 |