Patents by Inventor Edward L. Kushall

Edward L. Kushall 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).

  • Programmable development control system
    Patent number: 4065031
    Abstract: A control device in which the dispensing of particles from a storage container to a mix is regulated. At predetermined sampling intervals, the concentration of particles in the mix is detected and a signal indicative thereof generated. These signals are summed and processed by a program to develop an actuating signal. The actuation signal energizes the storage container to dispense particles into the mix.
    Type: Grant
    Filed: July 23, 1976
    Date of Patent: December 27, 1977
    Assignee: Xerox Corporation
    Inventors: Douglas G. Wiggins, Edward L. Kushall