Patents by Inventor Joseph A. Fohrman

Joseph A. Fohrman 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).

  • Coated abrasive article
    Patent number: 5578095
    Abstract: A coated abrasive article is disclosed comprising a backing comprising an outermost layer of a paper-like polymeric film. Said film improves the slip-resistance of the article.
    Type: Grant
    Filed: November 21, 1994
    Date of Patent: November 26, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Ralph H. Bland, Joseph A. Fohrman, Raymond L. Lucking