Patents by Inventor Robert W. Chadfield

Robert W. Chadfield 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: 5842802
    Abstract: The coating implement of the present invention dispenses solid material from an open-ended body for rubbing contact with a surface by ejecting the material from the open end of the body. The body has a manually operable collar secured near the upper open end thereof. The body has a screw and a screw-mounted elevator therein. The screw includes a knurled knob. The body is located in the tube with the knurled knob in frictional engagement with the inner lower end of the tube. Indicia may be placed on the outer surface of the body where it is protected by the tube, and the tube is transparent so that the indicia may be viewed therethrough. Rotation of the collar causes the body to rotate within the tube and eject the material from the body.
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: December 1, 1998
    Assignee: Federal Package Network, Inc.
    Inventors: Frank J. Lang, Robert W. Chadfield
  • Patent number: D522879
    Type: Grant
    Filed: September 19, 2005
    Date of Patent: June 13, 2006
    Assignee: Federal Package Network, Inc.
    Inventor: Robert W. Chadfield
  • Patent number: D534082
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: December 26, 2006
    Assignee: Federal Package Network, Inc.
    Inventor: Robert W. Chadfield
  • Patent number: D534433
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: January 2, 2007
    Assignee: Federal Package Network, Inc.
    Inventor: Robert W. Chadfield
  • Patent number: D534435
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: January 2, 2007
    Assignee: Federal Package Network, Inc.
    Inventor: Robert W. Chadfield
  • Patent number: D534812
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: January 9, 2007
    Assignee: Federal Package Network, Inc.
    Inventor: Robert W. Chadfield
  • Patent number: D537364
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: February 27, 2007
    Assignee: Federal Package Network, Inc.
    Inventor: Robert W. Chadfield
  • Patent number: D542134
    Type: Grant
    Filed: September 19, 2005
    Date of Patent: May 8, 2007
    Assignee: Federal Package Network, Inc.
    Inventor: Robert W. Chadfield
  • Patent number: D542653
    Type: Grant
    Filed: September 19, 2005
    Date of Patent: May 15, 2007
    Assignee: Federal Package Network, Inc.
    Inventor: Robert W. Chadfield
  • Patent number: D499014
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: November 30, 2004
    Assignee: Federal Package Network, Inc.
    Inventors: Robert W. Chadfield, Frank J. Lang
  • Patent number: D375256
    Type: Grant
    Filed: July 20, 1995
    Date of Patent: November 5, 1996
    Assignee: Federal Package, Ltd.
    Inventor: Robert W. Chadfield