Patents by Inventor Tom Wissman

Tom Wissman 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: 4396239
    Abstract: An interlock mechanism for use with a plurality of vertically stacked units such as disk drives wherein said mechanism allows only one unit to be withdrawn or extended from the stack at a time.
    Type: Grant
    Filed: March 10, 1981
    Date of Patent: August 2, 1983
    Assignee: Paradyne Corporation
    Inventor: Tom Wissman