1
Warren A Ehrichs: Adjustable stand. Ehrichs Manufacturing Company, Frederick E Lange, June 28, 1977: US04032103 (22 worldwide citation)

An adjustable stand for supporting heavy loads such as pallets at various heights, the stand having a platform formed of four channel shaped beam members securely fastened together in a generally rectangular form with two of the beam members being relatively long and extending longitudinally of the ...


2
Gary G Peterson, Adam R Menze, Warren A Ehrichs, Thor Iverson: Means for coupling a drive shaft to a rotatable member and the method of doing the same. Amity Technology, Michael S Neustel, July 17, 2001: US06261185 (1 worldwide citation)

To couple a drive shaft to a rotatable member for rotation therewith and the method of doing so includes providing a rotatable member having at least one end with a bore therein, a drive shaft, and an expandable and compressible coupler having a first segmented sleeve and a second segmented sleeve. ...