Patents by Inventor Warren J. Grosjean

Warren J. Grosjean 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: 7603836
    Abstract: A buoyant device for use by one or two persons to skim from the surface of bodies of water the vegetative matter that accumulates thereon so as to facilitate its disposal. The device consists of a cylindrical screen formed to the configuration of the letter C with the top lip being held at the water's surface by a buoyant bar and the lower lip being positioned below the upper lip by a weighted bar; a harness attached to the buoyant bar is used to pull the device across the water's surface.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: October 20, 2009
    Inventor: Warren J Grosjean
  • Publication number: 20090193776
    Abstract: A buoyant device for use by one or two persons to skim from the surface of bodies of water the vegetative matter that accumulates thereon so as to facilitate its disposal. The device consists of a cylindrical screen formed to the configuration of the letter C with the top lip being held at the water's surface by a buoyant bar and the lower lip being positioned below the upper lip by a weighted bar; a harness attached to the buoyant bar is used to pull the device across the water's surface.
    Type: Application
    Filed: January 31, 2008
    Publication date: August 6, 2009
    Inventor: Warren J. Grosjean
  • Patent number: 7083358
    Abstract: A sub surface aquatic weed barrier consisting of a strip of plastic held to the aquatic substrate by transverse weights bonded to the plastic strip. Gas release ports are located in the plastic sheet, positioned midway between the transverse weights.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: August 1, 2006
    Inventor: Warren J. Grosjean
  • Patent number: 4251914
    Abstract: A shaving assembly is disclosed for use in surgical shaving or the like, the assembly being adapted to effect removal of hair close to the skin without damaging the epidermis. The assembly comprises a blade seat, and a blade cap secured to the seat, with the outwardly facing surface of the cap being substantially planar and defining a locating and reference plane for contacting the surface of skin to be shaved, whereby to locate and orient the assembly with respect to the skin. Handle means extend from the assembly for grasping and drawing same across the skin in a given direction during shaving. Razor blade means are secured between the seat and cap. The cutting edge portion of the blade means protrude in the given direction beyond the edge of the cap, and the center plane of such portion makes an angle of from about -5.degree. to 14.degree.
    Type: Grant
    Filed: October 11, 1979
    Date of Patent: February 24, 1981
    Inventor: Warren J. Grosjean