Patents by Inventor Heidi W. Nufer

Heidi W. Nufer 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).

  • Floor box
    Patent number: 5180074
    Abstract: A floor box having structure which eliminates screws for holding the cover assembly on the box, the structure permitting the box and the cover assembly to be shipped in a disconnected condition and arranged, after the box is set up for the concrete pour, to be quickly and easily snapped into and maintained in closure position.
    Type: Grant
    Filed: April 9, 1991
    Date of Patent: January 19, 1993
    Assignee: Butler Manufacturing Company
    Inventors: Timothy S. Bowman, Heidi W. Nufer