Patents by Inventor Alan A. Shepherd

Alan A. Shepherd 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: RE29906
    Abstract: Semiconductor devices are mounted on corresponding lead frames by being inserted into apertures of a masking member in a desired registration with the lead frame strip.
    Type: Grant
    Filed: June 30, 1977
    Date of Patent: February 13, 1979
    Assignee: Ferranti Limited
    Inventors: Sydney Jackson, Alan A. Shepherd