Patents by Inventor Robert Glenn Hall

Robert Glenn Hall 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: 6817813
    Abstract: A cutter bit for use in combination with a rotary cutter, the cutter brick comprising a removal boss integrally formed on the cutter bit shank adjacent to cutter bit body to allow removal of the cutter bit from the rotary cutting tool with a wrench ordinarily used to operate the chuck mounted on the rotary cutting tool. A boss includes a pair of spaced apart annular flanges extending outwardly from the shank and a concave angular area extending between the flanges.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: November 16, 2004
    Inventors: Tammy Elaine Dollar, Robert William Yeager, Robert Glenn Hall
  • Patent number: 6808343
    Abstract: A cutter bit is provided which includes a body having a pair of free ends with a cutter bit mounted adjacent each free end. A boss extends outwardly from the center of the body such that a portion of the body and the cutter bit may be mounted in a rotary cutting tool to allow the second cutter bit to be utilized. The bit is reversible such that either cutter bit may be positioned within the chuck of a rotary cutter tool while the cutter bit mounted on the opposite side of the body is utilized. A method of mounting a cutter bit in a rotary cutter tool is also provided which includes steps of loosening the bit within the chuck of the rotating cutting tool, removing the bit from the chuck, rotating the bit end to end, replacing the end of the bit that was out of the chuck originally into the chuck, and tightening the chuck.
    Type: Grant
    Filed: November 4, 2003
    Date of Patent: October 26, 2004
    Assignee: Oldham Saw Company, Inc.
    Inventors: Tammy Elaine Dollar, Robert William Yeager, Robert Glenn Hall
  • Publication number: 20040091330
    Abstract: A cutter bit is provided which includes a body having a pair of free ends with a cutter bit mounted adjacent each free end. A boss extends outwardly from the center of the body such that a portion of the body and the cutter bit may be mounted in a rotary cutting tool to allow the second cutter bit to be utilized. The bit is reversible such that either cutter bit may be positioned within the chuck of a rotary cutter tool while the cutter bit mounted on the opposite side of the body is utilized. A method of mounting a cutter bit in a rotary cutter tool is also provided which includes steps of loosening the bit within the chuck of the rotating cutting tool, removing the bit from the chuck, rotating the bit end to end, replacing the end of the bit that was out of the chuck originally into the chuck, and tightening the chuck.
    Type: Application
    Filed: November 4, 2003
    Publication date: May 13, 2004
    Inventors: Tammy Elaine Dollar, Robert William Yeager, Robert Glenn Hall
  • Patent number: 6729814
    Abstract: A cutter bit is provided which includes a body having a pair of free ends with a cutter bit mounted adjacent each free end. A boss extends outwardly from the center of the body such that a portion of the body and the cutter bit may be mounted in a rotary cutting tool to allow the second cutter bit to be utilized. The bit is reversible such that either cutter bit may be positioned within the chuck of a rotary cutter tool while the cutter bit mounted on the opposite side of the body is utilized. A method of mounting a cutter bit in a rotary cutter tool is also provided which includes steps of loosening the bit within the chuck of the rotating cutting tool, removing the bit from the chuck, rotating the bit end to end, replacing the end of the bit that was out of the chuck originally into the chuck, and tightening the chuck.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: May 4, 2004
    Assignee: Oldham Saw Company, Inc.
    Inventors: Tammy Elaine Dollar, Robert William Yeager, Robert Glenn Hall
  • Publication number: 20030072624
    Abstract: A cutter bit for use in combination with a rotary cutter, the cutter brick comprising a removal boss integrally formed on the cutter bit shank adjacent to cutter bit body to allow removal of the cutter bit from the rotary cutting tool with a wrench ordinarily used to operate the chuck mounted on the rotary cutting tool. A boss includes a pair of spaced apart annular flanges extending outwardly from the shank and a concave angular area extending between the flanges.
    Type: Application
    Filed: January 22, 2002
    Publication date: April 17, 2003
    Inventors: Tammy Elaine Dollar, Robert William Yeager, Robert Glenn Hall
  • Publication number: 20030072626
    Abstract: A cutter bit is provided which includes a body having a pair of free ends with a cutter bit mounted adjacent each free end. A boss extends outwardly from the center of the body such that a portion of the body and the cutter bit may be mounted in a rotary cutting tool to allow the second cutter bit to be utilized. The bit is reversible such that either cutter bit may be positioned within the chuck of a rotary cutter tool while the cutter bit mounted on the opposite side of the body is utilized. A method of mounting a cutter bit in a rotary cutter tool is also provided which includes steps of loosening the bit within the chuck of the rotating cutting tool, removing the bit from the chuck, rotating the bit end to end, replacing the end of the bit that was out of the chuck originally into the chuck, and tightening the chuck.
    Type: Application
    Filed: January 22, 2002
    Publication date: April 17, 2003
    Inventors: Tammy Elaine Dollar, Robert William Yeager, Robert Glenn Hall
  • Patent number: D477516
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: July 22, 2003
    Assignee: Oldham Saw Company, Inc.
    Inventors: Tammy Elaine Dollar, Robert William Yeager, Robert Glenn Hall
  • Patent number: D479457
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: September 9, 2003
    Assignee: Oldham Saw Company, Inc.
    Inventors: Tammy Elaine Dollar, Robert William Yeager, Robert Glenn Hall