Patents by Inventor John David Wilcock

John David Wilcock 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: 4090259
    Abstract: An information store comprising (a) a known latching circuit which comprises cross connected metal-oxide-silicon transistors and metal-nitride-oxide-silicon transistors and which is accommodated on an integrated circuit chip to which only earth and negative power is supplied, and (b) control means, positive potential for erasing being developed by applying earth and negative potentials selectively to input terminals of the control means, the control means comprising a resistor in series with a capacitor, and an output terminal at the junction of the resistor and capacitor.
    Type: Grant
    Filed: May 20, 1976
    Date of Patent: May 16, 1978
    Assignee: Plessey Handel und Investments A.G.
    Inventors: John David Wilcock, John Flackett Dickson