Patents by Inventor Daniel G. Haddad

Daniel G. Haddad 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).

  • Game racket
    Patent number: 4099716
    Abstract: A game racket having a string net, the tension of the strings in the net being easily adjustable. The racket has a handle, a hoop attached to the handle, and strings forming a net across the hoop. A wedge located in the hoop and having longitudinal central strings attached thereto, the wedge being drawn by a threaded rod toward the handle to cause an increase in the peripheral dimension of the hoop and thereby a tightening of the strings and an equalization of tension throughout the net.
    Type: Grant
    Filed: August 9, 1976
    Date of Patent: July 11, 1978
    Assignee: Norman S. Blodgett
    Inventor: Daniel G. Haddad
  • Hockey stick
    Patent number: 4076240
    Abstract: A hockey stick having a rigid open cellular network defining the contact surface rather than the conventional laminated wood blade, the network being cast as a single unit and attached to a handle of the conventional shape, the contact surface having a concave curvature.
    Type: Grant
    Filed: January 26, 1976
    Date of Patent: February 28, 1978
    Inventor: Daniel G. Haddad
  • Game racket
    Patent number: 3934876
    Abstract: Game racket having a rigid open cellular network defining the contact surface rather than the conventional stringing, the network and a frame being cast as a single unit and a resilient cylindrical grip being forced over a handle of rectangular cross section and the network consisting of plates whose greatest thickness is less than the width and length.
    Type: Grant
    Filed: April 15, 1974
    Date of Patent: January 27, 1976
    Assignee: Norman S. Blodgett
    Inventor: Daniel G. Haddad
  • Spinning fish lure
    Patent number: D373811
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: September 17, 1996
    Inventor: Daniel G. Haddad