Patents by Inventor Jim L. Hipkins

Jim L. Hipkins 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).

  • Method of making a reinforced preformed building wall
    Patent number: 4597813
    Abstract: A prefabricated building wall is particularly suited for residences. The wall has a metal outer frame, and inner frames of metal may be located therein for doors and windows. Non-metallic stiffening members are interconnected within the outer frame in a diagonal grid. Hardenable plastic foam is injected into the frame to serve as insulation and support. The stiffening members are I-beams with apertures along their webs to allow them to be interlaced.
    Type: Grant
    Filed: September 21, 1984
    Date of Patent: July 1, 1986
    Inventor: Jim L. Hipkins