Patents by Inventor Michael H. Hornsby

Michael H. Hornsby 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: 5430797
    Abstract: Pay telephone coin opening cover assemblies which include portions of the pay telephone and a mask fashioned to cover the coin return opening. The mask includes a structural element or elements which cooperate with coin return opening structure and existing interior portions of the pay telephone structure to secure against the opening a face plate which is attractive and unobtrusive in appearance. The invention allows a conventional pay telephone to be recycled into a coinless pay telephone which is attractive in appearance, friendly to the user, and cost competitive.
    Type: Grant
    Filed: October 19, 1993
    Date of Patent: July 4, 1995
    Assignee: Protel, Inc.
    Inventor: Michael H. Hornsby