Patents by Inventor Frank C. Oppenheim

Frank C. Oppenheim 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).

  • Releasable mechanical joints
    Patent number: 4054392
    Abstract: A system of structural members comprising a basic structural member having secured to opposite sides thereof a pair of corresponding plates which extend outwardly from the sides of the basic structural member, and are adapted to enable two secondary structural members to be secured thereto by means of releasable fasteners, and at least one further structural member having an end provided with two opposite recesses shaped to allow said end to fit between the plates with heads of any fasteners abutting the plates on the insides thereof located in the recesses, this end further having a flange for securing it to the basic structural member.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: October 18, 1977
    Inventor: Frank C. Oppenheim