Patents by Inventor Joseph P. Spinelli, Jr.

Joseph P. Spinelli, Jr. 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: 4892338
    Abstract: A door lock includes a plurality of latch bolt assemblies that are mountable on a door at spaced locations about the periphery of the door, an operating mechanism that is flush-mountable on the door at a central location, and elongate linkage elements for interconnecting the operating mechanism with the latch bolt assemblies to enable the operating mechanism to concurrently operate the latch bolt assemblies.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: January 9, 1990
    Assignee: The Eastern Company
    Inventors: Lee S. Weinerman, Joseph P. Spinelli, Jr., Michael J. Rachocki