Patents by Inventor Egas J. J. DeSousa

Egas J. J. DeSousa 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).

  • Unidirectional gripping open end wrench
    Patent number: 4158975
    Abstract: An open end ratchet wrench having an arcuate cavity to receive a D-shaped member. The D-shaped member being movable between inner and outer ends of the cavity to either ratchet around a nut or bolt or to apply a tightening force.
    Type: Grant
    Filed: August 18, 1977
    Date of Patent: June 26, 1979
    Inventor: Egas J. J. DeSousa