Patents by Inventor Darin H. Duhporne

Darin H. Duhporne 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: 7159331
    Abstract: A tape measure comprises a main case having first and second sidewalls and a peripheral wall extending between the sidewalls; a flexible tape blade selectively deployable from the case; the tape blade having a generally curved cross-sectional profile when deployed from the main case and having a generally flat profile when retracted into the main case; a hook attached to a first end of the tape blade so as to be movable a distance along a longitudinal axis of the tape blade; the hook having a first section disposed generally parallel to the longitudinal axis and a second section connected thereto and disposed generally normal to the longitudinal axis, the hook having a weight factor of not more than about 0.60. The tape blade may advantageously be not more than about 1.10 inch in width and have a standout of at least 9½ feet.
    Type: Grant
    Filed: December 16, 2004
    Date of Patent: January 9, 2007
    Assignee: Cooper Brands, Inc.
    Inventors: James M. Critelli, William C. Blackman, Edgar T. Gilliam, Darin H. Duhporne, John R. Owen