Patents by Inventor Walter L. Coppedge

Walter L. Coppedge 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).

  • Write protection for memory diskettes
    Patent number: 5539600
    Abstract: A slide component is configured to be inserted into a recess in an assembled magnetic diskette cartridge and rotated about an edge of the slide component into operable orientation to be slideably positioned between locations in the recess that designate whether or not the magnetic disk in the cartridge is write-protected.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: July 23, 1996
    Assignee: Verbatim Corporation
    Inventors: Ritchie J. Lee, Charles F. DeWitt, Walter L. Coppedge