Patents by Inventor William F. Prohaska

William F. Prohaska 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).

  • Door for a data processor cabinet or the like
    Patent number: D283894
    Type: Grant
    Filed: July 6, 1984
    Date of Patent: May 20, 1986
    Assignee: AT&T Information Systems Inc.
    Inventors: Mark S. Gubser, John R. Janczy, Robert G. Mohr, William F. Prohaska