Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875428 | Motorized outrigger drive | Merrill H. Armstrong, Stafford J. Vallery, Harold S. Durham | 1989-10-24 |
| 4842460 | Load holding device | — | 1989-06-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875428 | Motorized outrigger drive | Merrill H. Armstrong, Stafford J. Vallery, Harold S. Durham | 1989-10-24 |
| 4842460 | Load holding device | — | 1989-06-27 |