Patents by Inventor Loring E. Smith

Loring E. Smith 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).

  • Tamper-proof emergency exit window grate
    Patent number: 4111472
    Abstract: A locking mechanized enclosure is mounted at the edge of a hinged window grate so that its interior side wall and front wall are inaccessible from the outside and all of its exposed walls are solid. A locking member extends into the enclosure from the window frame in back of vertical blocking member within the enclosure. The blocking member can be raised by depressing a pivoted plate. However, access to the plate is only through a door in the enclosure which can be opened only from inside the grate.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: September 5, 1978
    Inventors: Loring E. Smith, Mario J. Aloisi