Patents by Inventor Marcus J. Harrel

Marcus J. Harrel 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).

  • Structure for manufacture of prefabricated buildings
    Patent number: 6629392
    Abstract: The present invention resides in a structure which is particularly advantageous for the manufacture of prefabricated buildings. The structure uses a uniquely formulated exterior wall panel that is bonded to a frame of support members. A connecting member may be used to accommodate support members having a wide variety of cross-sectional shapes. The structure may have a unique cementitious composition that allows it to be fire and insect resistant and generally impervious to moisture.
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: October 7, 2003
    Inventors: Marcus J. Harrel, Michael J. Schimpf
  • Structure and formulation for manufacture of prefabricated buildings
    Patent number: 6073410
    Abstract: The present invention resides in a wall unit and formulation which is particularly advantageous for the manufacture of prefabricated buildings. The wall unit uses a uniquely formulated exterior wall panel that is bonded to a frame of tri-chord steel beams. The unique cementitious composition of the wall unit allows it to be fire and insect resistant and generally impervious to moisture.
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: June 13, 2000
    Assignee: Eco Buliding Systems, Inc.
    Inventors: Michael J. Schimpf, Marcus J. Harrel