| Patent Number |
Title Of Patent |
Date Issued |
| RE31400 |
Self propelled and extensible boom |
October 4, 1983 |
| A self-propelled rotatable hydraulic lift having a body with an extensible boom pivotally attached to the upper rear portion of a counterweight and terminating in a self-leveling workman's platform. Remote lift controls are provided at the platform by means of control lines contained in |
| D262279 |
Mobile self-powered hydraulic lift |
December 15, 1981 |
|
| D261127 |
Mobile self-powered hydraulic lift |
October 6, 1981 |
|
| 5295378 |
Method for making a precisely machined part |
March 22, 1994 |
| A method by which a generally elongate right cylindrically-shaped part is precisely machined and shaped includes the steps of drawing a disc blank into a cup-shaped blank, subsequently drawing the cup-shaped blank a successive number of times to form a generally elongate right cylind |
| 4271926 |
Rotatable work platform |
June 9, 1981 |
| A work platform frame is connected to a vertically disposed pin fixed to one end of a boom. An idler bracket is also pivotally mounted on the pin and has outwardly extending first and second idler arms, which are offset, with respect to each other, by between 90.degree. and 120.degree.. |
| 4226300 |
Self propelled and extensible boom lift |
October 7, 1980 |
| A self-propelled rotatable hydraulic lift having a body with an extensible boom pivotally attached to the upper rear portion of a counterweight and terminating in a self-leveling workman's platform. Remote lift controls are provided at the platform by means of control lines contained in |
