Patents by Inventor Martin R. Skov

Martin R. Skov 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).

  • Face mask
    Patent number: 4850347
    Abstract: A face mask to be worn upon the face of a wearer and for providing filtering of particular impurities in the air, including at least one layer of flexible plastic material molded generally to conform to the contours of the face of the wearer and forming a flexible support carrier for filter material and with the one layer formed of openwork flexible plastic material for providing a plurality of perforations through the first layer for allowing the free passage of air through the one layer, and a separate layer of filter material supported by the one layer of flexible plastic material and with the filter material filtering out the particular impurities in the air.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: July 25, 1989
    Assignee: Metric Products, Inc.
    Inventor: Martin R. Skov