Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923359 | Extendable boom for belt-conveyor | Stephen Leslie Foster | 1990-05-08 |
| 4848520 | Telescopic mast assembly | John Gibel, Henry J. Spies | 1989-07-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923359 | Extendable boom for belt-conveyor | Stephen Leslie Foster | 1990-05-08 |
| 4848520 | Telescopic mast assembly | John Gibel, Henry J. Spies | 1989-07-18 |