Patents by Inventor Fred H. Bland

Fred H. Bland 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).

  • Abrasive article containing helically crimped fibers
    Patent number: 4893439
    Abstract: Abrasive article comprising an open, lofty nonwoven web comprising helically crimped synthetic organic fibers. The article can optionally contain stuffer box crimped fibers and melt bondable fibers. The presence of helically crimped fibers brings about greater durability and greater capacity for absorbing debris.
    Type: Grant
    Filed: August 5, 1988
    Date of Patent: January 16, 1990
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Thomas R. McAvoy, Fred H. Bland