Patents by Inventor Peter J. Marshall

Peter J. Marshall 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: 7069969
    Abstract: A wood chipping or cutting knife assembly providing improved knife stability. A number of control surfaces and other geometric features are provided to stabilize the knife in the assembly. An improved splitter is also provided for the knife assembly.
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: July 4, 2006
    Assignee: Key Knife, Inc.
    Inventors: Andrew Knappett, Brian J. Rusaw, Peter J. Marshall, Bradley R. Stager, John S. Luecke
  • Patent number: 5395686
    Abstract: A bullet resistant material is provided which includes at least one integral compressed core formed of fibrous material bonded and compressed together with resin. At least one coating layer is applied on at least one face of the core, the coating layer including resin and at least 50% (by volume) filler particles.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: March 7, 1995
    Assignee: Martial Armour Pty Limited
    Inventors: Peter J. Marshall, Christopher J. Smith