Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4708574 | Apparatus for handling objects | Stewart J. Conboy | 1987-11-24 |
| 4500074 | Fluid-operated apparatus for handling and lifting loads | Albert D. Fox, Donn C. Knight | 1985-02-19 |
| 4478390 | Fluid-operated apparatus for handling and lifting loads | Donn C. Knight, Albert D. Fox | 1984-10-23 |
| 4452749 | Method of repairing hot refractory brick walls | Robert E. Kolvek, Henry R. Bronke, Nicholas W. Foit, Jr. | 1984-06-05 |