Patents by Inventor Frank Lee Richardson

Frank Lee Richardson 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: 5944432
    Abstract: An apparatus that dispenses disposable sanitary keyboard covers of a flexible transparent plastic film that is drawn across a key array and provides a sanitary cover that allows full use of the keyboard. When a subsequent user uses the keyboard, a new length of plastic film is drawn, and the old length of film is discarded. The apparatus includes a frame having a first tray holding a dispensing reel of plastic film at one end, and at the other end a second tray holding a take-up reel in a first embodiment, or rollers that direct the film to a slot in the outer wall of the tray with a cutting blade adjacent to the slot in a second embodiment.
    Type: Grant
    Filed: October 23, 1997
    Date of Patent: August 31, 1999
    Assignee: AG Communication Systems Corporation
    Inventor: Frank Lee Richardson