Patents by Inventor Michael R. Berringan

Michael R. Berringan 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).

  • Article for liquid containment and recovery
    Patent number: 5256466
    Abstract: The present invention provides a liquid sorbent article comprising at least two contiguous layers formed from a single sheet, said layers being joined at a fold in said sheet and being intermittently releasably bonded together.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: October 26, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Michael R. Berringan, Harold J. Seppala