Patents by Inventor Daniel James Roy

Daniel James Roy 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).

  • Publication number: 20020084143
    Abstract: A machine for leveling a ladder on a uneven surface, with A Support Housing attached to one or both Ladder Legs, having an interior cavity for a Telescoping Leg, two inner drilled Lugs that support a Release and Lock Lever, two outer drilled Lugs that overlap the Ladder Legs for more secure mounting, Both Support Housings mount to each ladder leg in such a way that the load sits directly over the machine with out increasing the width of the ladder.
    Type: Application
    Filed: December 29, 2000
    Publication date: July 4, 2002
    Inventor: Daniel James Roy
  • Patent number: 6401866
    Abstract: A machine for leveling a ladder on a uneven surface, with a support housing attached to one or both ladder legs, having an interior cavity for a telescoping leg, two inner drilled lugs that support a release and lock lever, two outer drilled lugs that overlap the ladder legs for more secure mounting, both support housings mount to each ladder leg in such a way that the load sits directly over the machine with out increasing the width of the ladder.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: June 11, 2002
    Inventor: Daniel James Roy