Patents by Inventor Owen Earl McAllister

Owen Earl McAllister 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: 4019303
    Abstract: A process for making an adjustable split door frame is disclosed, the process comprising the steps of cladding the front surface of the board with vinyl, grooving a plurality of parallel grooves of various shapes in the back surface of the board down to but not through the vinyl, folding and gluing the board along the grooves, inserting a support member and attaching a hard board to the back surface of the resulting door frame. In addition, a second board is clad, grooved and folded in a similar manner to provide the other half of the split adjustable door frame.
    Type: Grant
    Filed: November 19, 1975
    Date of Patent: April 26, 1977
    Assignee: Combustion Engineering, Inc.
    Inventor: Owen Earl McAllister
  • Patent number: 3981103
    Abstract: A process for making an adjustable split door frame is disclosed, the process comprising the steps of cladding the front surface of the board with vinyl, grooving a plurality of parallel grooves of various shapes in the back surface of the board down to but not through the vinyl, folding and gluing the board along the grooves, inserting a support member and attaching a hard board to the back surface of the resulting door frame. In addition, a second board is clad, grooved and folded in a similar manner to provide the other half of the split adjustable door frame.
    Type: Grant
    Filed: April 19, 1974
    Date of Patent: September 21, 1976
    Assignee: Combustion Engineering, Inc.
    Inventor: Owen Earl McAllister
  • Patent number: 3962828
    Abstract: An adjustable wall penetration framing member which is adjustable at any point by raising or lowering an adjustment screw and which prevents the infiltration of water and air into the interior of a building through the adjustable member.
    Type: Grant
    Filed: August 1, 1974
    Date of Patent: June 15, 1976
    Assignee: Combustion Engineering, Inc.
    Inventor: Owen Earl McAllister