Patents by Inventor John Witty

John Witty 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).

  • Portable safety skylight replacement assembly
    Patent number: 8316611
    Abstract: A portable skylight replacement safety assembly that includes a first and second support frames releasably connected to each other and having a plurality of support handles and support members which extend substantially perpendicularly from the first support frame for supporting the first support frame on and/or over the skylight on a working surface at a predetermined distance.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: November 27, 2012
    Inventors: J. Nigel Ellis, John Witty