Adjusting device, particularly for adjustable chairs

Aircraft interior equipment support

Alignment and locking mechanism for extendible jack stand

Ambulatory support apparatus

Antenna stand

Antenna stand

Anti-fail device for locking a drawing-board pillar against moti

Apparatus and method for automatically maintaining the...

Apparatus and method for lifting aerial cables

Apparatus and method to elevate an infusion source

Apparatus and method to elevate an infusion source

Apparatus for implementation of vertical movement of a chair, es

Apparatus for regulating height of music rack

Apparatus for supporting a work surface

Apparatus for supporting articles

Articulated multi-swivel chair

Auto-returning height-control assembly for a chair

Automobile weighted banner display stand

Balanced portable pedestals

Base for poles