Patents by Inventor Stephen M. Petro

Stephen M. Petro 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).

  • Modular roof curb assembly construction and interlocking joint means therefor
    Patent number: 5465533
    Abstract: An interlocking joint or fastening means is provided wherein one fastening member is provided integral to a panel member to be fastened to another panel member. A second fastening member is provided having a tongue that intrudes into an opening provided by the integral fastening member.
    Type: Grant
    Filed: October 7, 1993
    Date of Patent: November 14, 1995
    Inventors: Richard J. Rummo, Jr., Stephen M. Petro, John S. Desmond