Patents by Inventor Mark S. Ferguson

Mark S. Ferguson 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: 4786120
    Abstract: An enclosure assembly for a keyboard, which is of compact configuration and provides protection for the keyboard during periods of non-use thereof. The keyboard enclosure assembly comprises a base member which is reposable on the keyboard to cover at least some of the marginal areas and peripheral surfaces thereof, and a cover member having on its bottom surfaces recess(es) positioned and configured to receive and closely overfit keys of the keyboard to retain the cover member in a substantially spatially fixed position, the cover member being cooperatively matable with the base member, so that the cover member and base member together enclose the keyboard over its top and peripheral surfaces. The enclosure assembly may be fabricated of any of a wide variety of materials to provide an aesthetic enhancement to the environment in which the keyboard is employed.
    Type: Grant
    Filed: October 14, 1987
    Date of Patent: November 22, 1988
    Assignee: Casica Corporation
    Inventors: Jeffrey L. Sparks, Mark S. Ferguson, William C. Duke