Patents by Inventor Alan D. Steigerwald

Alan D. Steigerwald 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: D395523
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: June 23, 1998
    Inventors: Richard M. Fine, Alan D. Steigerwald