Patents by Inventor Edward W. Ball

Edward W. Ball 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).

  • Hypodermic needle destructor
    Patent number: 4315448
    Abstract: A shearing device for disposable syringes which cuts off the needle with a cam-actuated knife blade. The syringe is inserted through an opening in the center of a rotating knob which knob is in turn connected to the knife blade, so that as the knob is rotated, the blade pivots against the base plate and shears off the needle extending through the opening in the handle, collecting the sheared needles in a receptacle box.
    Type: Grant
    Filed: July 28, 1980
    Date of Patent: February 16, 1982
    Inventor: Edward W. Ball