Patents by Inventor Robert J. Smallwood

Robert J. Smallwood 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).

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    Patent number: D287514
    Type: Grant
    Filed: November 7, 1983
    Date of Patent: December 30, 1986
    Inventors: Robert N. Hellmer, Robert J. Smallwood
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    Patent number: D291705
    Type: Grant
    Filed: February 11, 1986
    Date of Patent: September 1, 1987
    Inventors: Robert N. Hellmer, Robert J. Smallwood