Patents by Inventor Ronald W. Purcell

Ronald W. Purcell 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: 5144303
    Abstract: A plurality of elongated flexible strips are provided including opposite longitudinal margins. One set of corresponding margins of the strips are secured together in registered superposed relation and to the rear surface of a computer keyboard and an equal number of function key templates or indentity strips are secured to the other set of corresponding margins of flexible strips in a similar manner by adhesive coatings. The flexible strips support the function key templates or identity strips for swinging movement between superposed positions closely juxtaposed with the function keys of the computer keyboard and out of the way positions disposed behind the rear surface of the computer keyboard.
    Type: Grant
    Filed: September 19, 1990
    Date of Patent: September 1, 1992
    Inventor: Ronald W. Purcell