Patents by Inventor Graham Slater

Graham Slater 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).

  • Apparatus including dual carriages for storing and retrieving information containing discs, and method
    Patent number: 5128912
    Abstract: A technique for storing and retrieving information-containing discs using two independently operated disc transferring carriages is disclosed herein. The two carraiges are used to transfer discs between storage compartments forming part of an overall disc and drive library and one or more disc drives disposed within their own drive compartments also forming part of the disc and drive library. In one specific embodiment, the two carriages are moved vertically and horizontally on separate tracks between two confronting library arrangements.
    Type: Grant
    Filed: July 14, 1988
    Date of Patent: July 7, 1992
    Assignee: Cygnet Systems Incorporated
    Inventors: Paul Hug, Graham Slater, Bill Umeda, Paul A. Yesnosky