Patents by Inventor Carl E. Schaffrin

Carl E. Schaffrin 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).

  • Cabinet lock assembly
    Patent number: 4190273
    Abstract: A locking apparatus for use with a cabinet or other structure having double doors separated by a jamb at the point of closure. Two brackets are mounted on either side of the jamb, extending beyond the exterior surface of the cabinet sufficiently to install a locking device. The locking device obstructs the opening of the cabinet doors. The apparatus is structured such that it can be installed and removed from the cabinet without modifications to the cabinet or the need for special tools.
    Type: Grant
    Filed: June 6, 1978
    Date of Patent: February 26, 1980
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Carl E. Schaffrin