Patents by Inventor Edwin A. Van Inwagen

Edwin A. Van Inwagen 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: D268481
    Type: Grant
    Filed: October 30, 1980
    Date of Patent: April 5, 1983
    Assignee: F. M. Howell & Company
    Inventor: Edwin A. Van Inwagen