Patents by Inventor W. Richard Roth

W. Richard Roth 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).

  • Door lifting device
    Patent number: 6296230
    Abstract: A door liftinng device for lifting a door into an installation position. The door lifting device includes a lever member being longitudinal, curved from a first end to near a second end which is curved away from the top side of the lever member; and also includes a fulcrum member being semi-circular shaped and being securely attached to the bottom side of the lever member near the first end thereof; and further includes a door abutment member securely attached to the top side of the lever member and being disposed closer to the first end than is the fulcrum member so that a door can be mounted between the door abutment member and the first end of the lever member.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: October 2, 2001
    Inventor: W. Richard Roth