Patents by Inventor Lloyd Boettcher

Lloyd Boettcher has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6637761
    Abstract: A special duty hand truck for maneuvering folding tables and folding chairs having a wheeled base with a transverse shaft, a handle extending outwardly from said shaft, a pair of support arms mounted for pivotal movement on said shaft between an upright position extending away from said base and a folded position extending along the handle, an auxiliary arm pivotally mounted on the shaft between an upright position extending away from said base and a folded position along said handle, and standards extending down from the handle operable to engage the ground surface and provide a fulcrum for the handle which is effective to permit the wheels to be lifted off the surface when the free end of the handle is displaced towards the surface.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: October 28, 2003
    Inventor: Lloyd Boettcher