Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6546677 | Telescoping mast assembly | — | 2003-04-15 |
| 6484456 | Telescoping mast assembly | Kevan A. Davis, Bryan L. Cooper | 2002-11-26 |
| 5718087 | Telescoping mast assembly | John Finnell | 1998-02-17 |
| 5572837 | Pneumatic telescoping mast | Dennis B. Donahue | 1996-11-12 |
| 5168679 | Telescoping mast assembly | — | 1992-12-08 |
| 5107672 | Rigid drive assembly | — | 1992-04-28 |
| 5102375 | Telescoping mast assembly | — | 1992-04-07 |
| 4413451 | Pneumatically actuated tilting telescoping mast construction | Alvin R. Steffen | 1983-11-08 |