| 6341665 |
Retractable counterweight for straight-boom aerial work platform |
Michael Z. Zhou, Michael D. Griffin, Mark G. Neubauer |
2002-01-29 |
| 6296455 |
Pump enable system and method |
David A. Hall, Robert Johnston |
2001-10-02 |
| 6024191 |
Lift apparatus having an articulated double parallelogram boom assembly |
Michael Goodrich |
2000-02-15 |
| 6012544 |
Aerial work platform with removably attachable support structure for auxiliary power plant |
Brian S. Hess, Danny J. Skidmore, Gregg A. Wagner |
2000-01-11 |
| 5489114 |
Tie rod extendable and retractable telescopic axle assembly |
Wayne Ward, Jeffrey L. Spidel, Donald C. Hade, Jr. |
1996-02-06 |
| 5355970 |
Multicell articulated riser system for a self propelled aerial work platform |
Donald C. Hade, Jr. |
1994-10-18 |
| 5249643 |
Vehicular self-propelled aerial work platform and telescoping parallelogram boom therefor |
Donald C. Hade, Jr. |
1993-10-05 |
| 4979588 |
Overhead impact sensing system |
Ronald L. Pike, Ronald W. Beckley, Donald C. Hade, Jr. |
1990-12-25 |
| 4809472 |
Carrier track assembly for extensible and retractable boom machines |
Donald C. Hade, Jr. |
1989-03-07 |
| 4757875 |
Vehicular low profile self propelled aerial work platform |
Donald C. Hade, Jr. |
1988-07-19 |
| 4706668 |
Aneurysm clip pliers |
— |
1987-11-17 |