Patents Assigned to The Parker Pen Company
  • Patent number: 4702633
    Abstract: A multicolor writing instrument consists of two individual writing implements which respectively contain a ball point pen refill. The implements are identical in construction with each having an elongated grip portion and a shoulder extending laterally from the end opposite a writing stylus, the shoulders being provided with recesses for respectively and sealably receiving the writing stylus of the other implement when the two implements are connected together in a storage condition.
    Type: Grant
    Filed: September 23, 1980
    Date of Patent: October 27, 1987
    Assignee: The Parker Pen Company
    Inventor: Gunther Schmidt
  • Patent number: 4591418
    Abstract: An article is coated with alternate microscopically thin layers of titanium nitride and gold alloy using a cathodic sputtering process to provide a microlaminated coating having the color and brilliance of a much thicker coating of the gold alloy while being more resistant to corrosion and scratching.
    Type: Grant
    Filed: October 26, 1984
    Date of Patent: May 27, 1986
    Assignee: The Parker Pen Company
    Inventor: James R. Snyder
  • Patent number: 4529328
    Abstract: A two-part barrel sleeve includes an internal spring finger which rides in a spiral groove in the combined ink reservoir and barrel of a ball pen, the spiral groove having a detent at its rear end to provide a snap-action as the barrel sleeve is retracted to its rearmost position exposing the writing tip for normal use.
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: July 16, 1985
    Assignee: The Parker Pen Company
    Inventors: Martin E. Wacha, Jerry W. Digney
  • Patent number: 4506426
    Abstract: A pocket clip is attached to the tubular barrel of a writing instrument and the rear open end of the barrel is closed by pressing a pocket clip part over the rear end of the barrel and pressing an integral plug portion of the pocket clip part into the opening at the rear end of the barrel.
    Type: Grant
    Filed: August 30, 1983
    Date of Patent: March 26, 1985
    Assignee: The Parker Pen Company
    Inventor: Brian A. J. Booker
  • Patent number: 4378171
    Abstract: A ball-point pen, which is retractable to about half its size when not in use, includes a substantially cylindrical housing having a retractable, plastic writing cartridge body therein. A plurality of push-button actuated, spring biased gripping elements engage the plastic body to retain the body in a retracted or extended position.
    Type: Grant
    Filed: September 18, 1980
    Date of Patent: March 29, 1983
    Assignee: The Parker Pen Company
    Inventor: Guenther Schmidt
  • Patent number: D279383
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: June 25, 1985
    Assignee: Parker Pen Company
    Inventors: Thomas W. Hillebrand, Clemens A. Sonntag
  • Patent number: D280332
    Type: Grant
    Filed: July 14, 1983
    Date of Patent: August 27, 1985
    Assignee: The Parker Pen Company
    Inventor: Nolan K. Rhoades
  • Patent number: D280333
    Type: Grant
    Filed: July 14, 1983
    Date of Patent: August 27, 1985
    Assignee: The Parker Pen Company
    Inventor: Nolan K. Rhoades
  • Patent number: D280421
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: September 3, 1985
    Assignee: The Parker Pen Company Limited
    Inventor: Giorgetto Giugiaro
  • Patent number: D280422
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: September 3, 1985
    Assignee: The Parker Pen Company
    Inventors: Brian A. J. Booker, Thomas W. Hillebrand
  • Patent number: D282553
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: February 11, 1986
    Assignee: The Parker Pen Company
    Inventor: Jacques LeBlanc
  • Patent number: D282672
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: February 18, 1986
    Assignee: The Parker Pen Company
    Inventors: Jacques LeBlanc, Gerald C. Herold, E. Dale Thompson
  • Patent number: D282753
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: February 25, 1986
    Assignee: The Parker Pen Company
    Inventor: Jacques LeBlanc
  • Patent number: D282754
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: February 25, 1986
    Assignee: The Parker Pen Company
    Inventors: Jacques LeBlanc, Gerald C. Herold, E. Dale Thompson
  • Patent number: D283334
    Type: Grant
    Filed: November 20, 1984
    Date of Patent: April 8, 1986
    Assignee: The Parker Pen Company Limited
    Inventor: Claus-Peter Seibt
  • Patent number: D284355
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: June 24, 1986
    Assignee: The Parker Pen Company
    Inventor: Maura F. Knollmeyer
  • Patent number: D284872
    Type: Grant
    Filed: June 7, 1984
    Date of Patent: July 29, 1986
    Assignee: The Parker Pen Company
    Inventor: Brian A. J. Booker
  • Patent number: D285936
    Type: Grant
    Filed: February 24, 1984
    Date of Patent: September 30, 1986
    Assignee: The Parker Pen Company
    Inventors: Brian A. J. Booker, Harley A. Jung, Clemens A. Sonntag
  • Patent number: D285937
    Type: Grant
    Filed: February 24, 1984
    Date of Patent: September 30, 1986
    Assignee: The Parker Pen Company
    Inventors: Brian A. J. Booker, Harley A. Jung, Clemens A. Sonntag
  • Patent number: D286791
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: November 18, 1986
    Assignee: The Parker Pen Company
    Inventor: Brian A. J. Booker