Patents by Inventor Francis J. Horrigan

Francis J. Horrigan 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).

  • Apparatus for mounting a tubular safety stanchion-vent element through a roof
    Patent number: 5454197
    Abstract: There is disclosed an apparatus, for mounting a combined roof plumbing vent, and a safety stanchion element, on a roof with its roof covering, the elements having a mounting bracket, in conjunction with the roof beam element, being formed by fixedly connecting with a least one roof beam or rafter element, a substantially vertical tubular element, and having a fixably attached in a known manner, a roof covering.
    Type: Grant
    Filed: August 21, 1992
    Date of Patent: October 3, 1995
    Inventor: Francis J. Horrigan