Patents by Inventor K. Michael Graybeal

K. Michael Graybeal 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: 7964095
    Abstract: A floor drain communicates with a vertical floor drain pipe. The floor drain has a flanged cylindrical body that fits within the vertical pipe or fitting, a ring that overlaps and is spaced above the flange, and a grate or cover that fits upon the upper surface of the ring. The ring is supported by elevating screws that pass through the flange of the body. Adjustment of the elevating screws enable the height and pitch of the ring and grate or cover to be quickly and easily adjusted.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: June 21, 2011
    Inventor: K. Michael Graybeal