Marking Instrument Patents (Class D19/41)
Simulative (Class D19/42)
Provision for cap over writing tip only (Class D19/43)
With suspension ring or loop (Class D19/44)
Elongated (Class D19/45)
  • Data pen
    Patent number: D303124
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: August 29, 1989
    Inventor: Robert S. K. Li
  • Writing instrument
    Patent number: D303810
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: October 3, 1989
    Inventor: Thomas Von Den Benken
  • Pen
    Patent number: D303990
    Type: Grant
    Filed: December 11, 1986
    Date of Patent: October 10, 1989
    Assignee: Pentel of America, Ltd.
    Inventor: Tor Petterson
  • Device for marking textiles and textile-like materials
    Patent number: D304344
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: October 31, 1989
    Inventor: Linda R. Thatcher
  • Pen
    Patent number: D304601
    Type: Grant
    Filed: July 29, 1986
    Date of Patent: November 14, 1989
    Inventor: Bjorn M. Alskog
  • Marking pen
    Patent number: D304840
    Type: Grant
    Filed: June 24, 1986
    Date of Patent: November 28, 1989
    Assignee: Shachihata Industrial Co., Ltd.
    Inventors: Keiichi Mizutani, Akira Ohashi
  • Cap for writing tools
    Patent number: D305245
    Type: Grant
    Filed: March 27, 1987
    Date of Patent: December 26, 1989
    Assignee: Pioneer Industrial Corp.
    Inventor: C. H. Chuang
  • Ball point pen
    Patent number: D305341
    Type: Grant
    Filed: July 23, 1985
    Date of Patent: January 2, 1990
    Inventor: Robert W. Dolan, Sr.
  • Pen cap or similar article
    Patent number: D305551
    Type: Grant
    Filed: March 27, 1987
    Date of Patent: January 16, 1990
    Assignee: Pentel Kabushiki Kaisha
    Inventor: Shigeo Oka
  • Combined simulative toy pen box and pens
    Patent number: D305914
    Type: Grant
    Filed: December 11, 1987
    Date of Patent: February 6, 1990
    Assignee: Epoch Company, Ltd.
    Inventor: Hiroshi Ukisu
  • Ball-point pen
    Patent number: D306038
    Type: Grant
    Filed: May 5, 1987
    Date of Patent: February 13, 1990
    Assignee: Top-Pen di Dott
    Inventor: Carlalberto Cerniglia
  • Combined ball-point pen and ring
    Patent number: D306177
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: February 20, 1990
    Inventor: Paek Y. Park
  • Casing for a writing instrument
    Patent number: D306178
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: February 20, 1990
    Assignee: Interdica S.A.
    Inventor: Daniel Lauper
  • Combined twin-nibbed marker and ball-point pen
    Patent number: D306315
    Type: Grant
    Filed: April 24, 1987
    Date of Patent: February 27, 1990
    Assignee: Colleen Pencil Co. Ltd.
    Inventor: Koichi Shintani
  • Twin-nibbed marking instrument
    Patent number: D306316
    Type: Grant
    Filed: April 24, 1987
    Date of Patent: February 27, 1990
    Inventor: Koichi Shintani
  • Ball-point pen
    Patent number: D306458
    Type: Grant
    Filed: January 15, 1987
    Date of Patent: March 6, 1990
    Assignee: Lecce Pen Company S.r.l.
    Inventor: Fernando Lecce
  • Golf ball marker
    Patent number: D306874
    Type: Grant
    Filed: April 3, 1987
    Date of Patent: March 27, 1990
    Assignee: Marquardt-Hudes Inc.
    Inventor: Joseph B. Lapin
  • Pen
    Patent number: D307034
    Type: Grant
    Filed: December 11, 1986
    Date of Patent: April 3, 1990
    Assignee: Pentel of America, Ltd.
    Inventor: Tor Petterson
  • Grip portion for a writing instrument
    Patent number: D307444
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: April 24, 1990
    Assignee: The Gillette Company
    Inventors: Norman D. Poisson, Scott G. Searle, Robert D. Warren, Jeffrey Kapec, Kazuna Tanaka
  • Combined writing instrument and stamp
    Patent number: D307600
    Type: Grant
    Filed: June 30, 1987
    Date of Patent: May 1, 1990
    Inventor: Franziska Singer
  • Twin-nibbed crayon
    Patent number: D307602
    Type: Grant
    Filed: December 16, 1986
    Date of Patent: May 1, 1990
    Inventor: Genius Lee
  • Grip portion for a writing instrument
    Patent number: D307919
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: May 15, 1990
    Assignee: The Gillette Company
    Inventors: Norman D. Poisson, Walter B. Herbst, Kurt Peterson
  • Protective end cap for a ball point pen
    Patent number: D307920
    Type: Grant
    Filed: September 26, 1986
    Date of Patent: May 15, 1990
    Assignee: Zebra Co., Ltd.
    Inventor: Kazuhiko Sekiguchi
  • Marking pen
    Patent number: D308075
    Type: Grant
    Filed: May 11, 1987
    Date of Patent: May 22, 1990
    Assignee: Mitsubishi Pencil Co., Ltd.
    Inventor: Katsuhiko Yazaki
  • Ball-point pen
    Patent number: D308226
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: May 29, 1990
    Assignee: Yoshinaga Prince Company Limited
    Inventors: Suk J. Kim, Atsushi Deguchi, Sadao Yoshinaga
  • Writing instrument
    Patent number: D308396
    Type: Grant
    Filed: February 25, 1987
    Date of Patent: June 5, 1990
    Assignee: Pentel Kabushiki Kaisha
    Inventor: Shungo Sekiguchi
  • Pen
    Patent number: D308889
    Type: Grant
    Filed: July 15, 1987
    Date of Patent: June 26, 1990
    Assignee: Fratelli Guzzini, S.p.A.
    Inventor: Bruno Gecchelin
  • Chalk marker
    Patent number: D309156
    Type: Grant
    Filed: March 2, 1987
    Date of Patent: July 10, 1990
    Assignee: Clover Manufacturing Co., Ltd.
    Inventor: Junichi Kuwabara
  • Ball-point pen or similar article
    Patent number: D309633
    Type: Grant
    Filed: February 18, 1987
    Date of Patent: July 31, 1990
    Assignee: Pentel Kabushiki Kaisha
    Inventor: Kunio Itoh
  • Bingo card marker
    Patent number: D310249
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: August 28, 1990
    Inventor: Raymond LaLonde
  • Fountain pen
    Patent number: D312477
    Type: Grant
    Filed: September 14, 1987
    Date of Patent: November 27, 1990
    Inventor: Ferdinand A. Porsche
  • Combined twin-nibbed ball point pen and marking pen
    Patent number: D312658
    Type: Grant
    Filed: September 16, 1987
    Date of Patent: December 4, 1990
    Assignee: Mitsubishi Pencil Co., Ltd.
    Inventor: Masayuki Sumino
  • Writing instrument
    Patent number: D312659
    Type: Grant
    Filed: December 22, 1987
    Date of Patent: December 4, 1990
    Assignee: Pentel Kabushiki Kaisha
    Inventor: Shigeo Oka
  • Ball-point pen
    Patent number: D313041
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: December 18, 1990
    Assignee: Yoshinaga Prince Company Limited
    Inventors: Suk J. Kim, Atsushi Deguchi, Sadao Yoshinaga
  • Writing instrument
    Patent number: D313042
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: December 18, 1990
    Assignee: Lecce Pen Company, S.r.l.
    Inventor: Fernando Lecce
  • Marking pen
    Patent number: D313245
    Type: Grant
    Filed: October 28, 1987
    Date of Patent: December 25, 1990
    Assignee: Mitsubishi Pencil Co., Ltd.
    Inventor: Yasuyuki Iwase
  • Ball-point-pen
    Patent number: D313246
    Type: Grant
    Filed: September 14, 1987
    Date of Patent: December 25, 1990
    Inventor: Ferdinand A. Porsche
  • Writing instrument
    Patent number: D314978
    Type: Grant
    Filed: December 22, 1987
    Date of Patent: February 26, 1991
    Assignee: Pentel Kabushiki Kaisha
    Inventor: Shigeo Oka
  • Writing instrument
    Patent number: D316271
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: April 16, 1991
    Assignee: New Deal S.A.S. di Iliana Ciotti E C.
    Inventor: Pietro Larizza
  • Crayon
    Patent number: D316272
    Type: Grant
    Filed: April 14, 1988
    Date of Patent: April 16, 1991
    Inventor: Genius Lee
  • Ball point pen
    Patent number: D316726
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: May 7, 1991
    Assignee: Pentel Kabushiki Kaisha
    Inventor: Kunio Itoh
  • Crayon
    Patent number: D317940
    Type: Grant
    Filed: June 7, 1988
    Date of Patent: July 2, 1991
    Assignee: Lovett Industries
    Inventor: Stuart M. Brenner
  • Pen
    Patent number: D318293
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: July 16, 1991
    Inventor: Marva A. Flowers
  • Pen
    Patent number: D318490
    Type: Grant
    Filed: October 18, 1988
    Date of Patent: July 23, 1991
    Assignee: W. T. Rogers Company
    Inventor: Gerald J. Klodt
  • Pencil
    Patent number: D318879
    Type: Grant
    Filed: September 14, 1987
    Date of Patent: August 6, 1991
    Inventor: Ferdinand A. Porsche
  • Triple-nibbed ink marker
    Patent number: D319467
    Type: Grant
    Filed: June 1, 1987
    Date of Patent: August 27, 1991
    Inventor: Vicki A. Clowes
  • Recording pen
    Patent number: D319661
    Type: Grant
    Filed: December 28, 1988
    Date of Patent: September 3, 1991
    Assignee: Yokogawa Electric Corporation
    Inventors: Toshio Kimura, Shigenobu Miyamoto
  • Mechanical pen
    Patent number: D319845
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: September 10, 1991
    Assignee: J.S. Staedtler GmbH & Co.
    Inventors: Gerald Grotsch, Friedrich Heger
  • Retractable marker pen
    Patent number: D321207
    Type: Grant
    Filed: November 30, 1988
    Date of Patent: October 29, 1991
    Assignee: Dennison Manufacturing Company
    Inventor: Richard Granoff
  • Ball-point pen
    Patent number: D321720
    Type: Grant
    Filed: June 16, 1989
    Date of Patent: November 19, 1991
    Assignee: Nikko Pen Co., Ltd.
    Inventor: Hidemi Sakurada