Patents by Inventor Christopher J. Carmichael

Christopher J. Carmichael 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).

  • Sheet removal apparatus and method
    Patent number: 5505433
    Abstract: An apparatus for removing a sheet of material anchored to the floor, such as a carpet, includes an anchor member capable of being releasably anchored to the sheet of material at one location. The anchor member has a foot strap. A handle is pivotally coupled to the anchor member. A rigid connecting member pivotably coupled to the handle by a connecting joint couples a gripper to the handle. The gripper grips the sheet of material at another location. The handle is capable of pivoting about the anchor member in order to pull the sheet of material gripped by the gripper upwardly from the floor.
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: April 9, 1996
    Inventors: Leo G. Carmichael, Christopher J. Carmichael