Patents by Inventor James P. Macfie

James P. Macfie 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).

  • Utility device for suspending sheet-like material
    Patent number: 4398692
    Abstract: A utility fastener device for securing sheet material 10 to associated structure is disclosed as including a ring A closed by a snap closure in the form of a socket closure B and plug closure C between which the material is gripped. Socket closure B includes an interior opening 18 having a gripping rim D catching material pushed into the opening by plug C. The socket opening and plug have a smooth rounded configuration devoid of sharp edges to hold the material without puncturing or tearing.
    Type: Grant
    Filed: December 2, 1981
    Date of Patent: August 16, 1983
    Inventor: James P. Macfie