Patents by Inventor Robert S. Duffy

Robert S. Duffy 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).

  • Firefighter safety device
    Patent number: 9016433
    Abstract: A safety device comprising a foothold in association with a mounting assembly, wherein the position of the foothold relative to the mounting assembly is adjustable, thereby allowing the safety device to be used on a variety of sloped roofs. The safety device may further comprises a firefighter securing assembly which provides a means whereby an operator may secure himself to the safety device thereby preventing the operator from falling from the roof in the event the operator loses his balance.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: April 28, 2015
    Inventor: Robert S. Duffy