US Patent 8839785 Respirator harness having collapsible head cradle

Patent 8839785 was granted and assigned to 3M on September, 2014 by the United States Patent and Trademark Office.

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David M. Castiglione0

Thomas W. Holmquist-Brown0

William A. Mittelstadt0

Date of Patent

September 23, 2014

Patent Application Number

127210360

Date Filed

March 10, 2010

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