Patents by Inventor Alan E. Smither

Alan E. Smither 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: D346341
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: April 26, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Roger K. Westerberg, John E. Nelson, Roland W. Rubertus, Alan E. Smither