Patents by Inventor Joseph Michael Grzybowski

Joseph Michael Grzybowski 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).

  • Patent number: 6305306
    Abstract: This invention comprises methods, devices and systems for stabilizing watercraft. More particularly it comprises a means for stabilizing a canoe or the like watercraft (100) with a pair of flotation devices (250) shaped like a SKI (242) at the bottom or mount over SKIs (240). The floats (250) are interfaced to the watercraft at interface (210) via a longitudinal support member (200) foldable in for stowing and foldable out for deployment via hinges (220).
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: October 23, 2001
    Inventor: Joseph Michael Grzybowski
  • Patent number: 6050210
    Abstract: This invention comprises methods, devices and systems for clamping an outrigger to a watercraft. More particularly it comprises a locking clamp for securing mounting brackets and accessory mounts to T shaped or inverted L shaped gunwales of watercraft. A portable, heavy-duty and versatile mounting bracket can be easily constructed utilizing this clamp.
    Type: Grant
    Filed: June 21, 1999
    Date of Patent: April 18, 2000
    Inventor: Joseph Michael Grzybowski
  • Patent number: D440536
    Type: Grant
    Filed: March 31, 1999
    Date of Patent: April 17, 2001
    Inventor: Joseph Michael Grzybowski