Patents by Inventor H. James Seegers

H. James Seegers 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).

  • Externally reinforced concrete stairs
    Patent number: 4250672
    Abstract: An externally reinforced concrete structure including a plurality of elongated C-channels interconnected to form a unitary body. The unitary body created by the C-channels is utilized to function as formwork to aid in erection of a concrete structure and to lend structural support of the concrete upon the concrete being set by creating a stressed-skin construction.
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: February 17, 1981
    Assignee: American Stair Corporation Inc.
    Inventors: Glen A. Seegers, H. James Seegers