Patents by Inventor Thomas E. Nowak

Thomas E. Nowak 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).

  • Patent number: 4941340
    Abstract: An improved wall fastener for hollow walls, the fastener having two spreadable anchoring blades designed to spread behind the wall following insertion of a screw thereinbetween. The fastener is made of thin sheet metal which has been hardened through a heat treating process, such as quenching. Complementary engaging means on the blades are used to hold the blades together during the heat treatment and to prevent the separation thereof until the screw insertion.
    Type: Grant
    Filed: January 4, 1990
    Date of Patent: July 17, 1990
    Assignee: E. Vassiliou
    Inventors: Thomas E. Nowak, Edward J. Smith, Eustathios Vassiliou
  • Patent number: 4874277
    Abstract: An improved wall fastener for hollow walls,the fastener having two spreadable anchoring blades designed to spread behind the wall following insertion of a screw thereinbetween. The fastener is made of thin sheet metal which has been hardened through a heat treating process, such as quenching. Complementary engaging means on the blades are used to hold the blades together during the heat treatment and to prevent the separation thereof until the screw insertion.
    Type: Grant
    Filed: August 14, 1987
    Date of Patent: October 17, 1989
    Assignee: Eustathios Vassiliou
    Inventors: Thomas E. Nowak, Edward J. Smith, Eustathios Vassiliou