Eraser (8) Patents (Class D19/53)
  • Patent number: D245253
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: August 2, 1977
    Inventor: Seymour Moskowitz
  • Patent number: D248661
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: July 25, 1978
    Inventor: Donald S. Kanawyer
  • Patent number: D260532
    Type: Grant
    Filed: September 11, 1979
    Date of Patent: September 1, 1981
    Assignee: Pentel Kabushiki Kaisha
    Inventor: Gouji Sakaoka
  • Patent number: D279297
    Type: Grant
    Filed: February 1, 1983
    Date of Patent: June 18, 1985
    Inventor: William Rosson
  • Patent number: D286548
    Type: Grant
    Filed: April 3, 1984
    Date of Patent: November 4, 1986
    Inventor: James C. Hsieh
  • Patent number: D303271
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: September 5, 1989
    Assignee: Rotex Company
    Inventor: C. Dennis Lord
  • Patent number: D303992
    Type: Grant
    Filed: December 5, 1986
    Date of Patent: October 10, 1989
    Assignee: J. S. Staedtler GmbH & Co.
    Inventor: Gerald Grotsch
  • Patent number: D311757
    Type: Grant
    Filed: July 27, 1987
    Date of Patent: October 30, 1990
    Assignee: Rotex Company
    Inventor: Mack W. Crutchfield
  • Patent number: D313247
    Type: Grant
    Filed: April 16, 1987
    Date of Patent: December 25, 1990
    Assignee: Sanrio Company, Ltd.
    Inventor: Shintaro Tsuji
  • Patent number: D318296
    Type: Grant
    Filed: March 17, 1988
    Date of Patent: July 16, 1991
    Inventor: Carl R. Zechner
  • Patent number: D319469
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: August 27, 1991
    Assignee: The Gillette Company
    Inventor: Bryce G. Rutter
  • Patent number: D319846
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: September 10, 1991
    Assignee: Namkung Promotions, Inc.
    Inventor: Jerrilyn C. Kiyokane
  • Patent number: D320229
    Type: Grant
    Filed: June 16, 1988
    Date of Patent: September 24, 1991
    Inventor: Thomas G. Frazier
  • Patent number: D320230
    Type: Grant
    Filed: May 9, 1989
    Date of Patent: September 24, 1991
    Assignee: Arile Industrial Co., Ltd.
    Inventor: Jason Chen
  • Patent number: D320811
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: October 15, 1991
    Assignee: Blu-Ray Incorporated
    Inventor: Richard W. Fuchs
  • Patent number: D321717
    Type: Grant
    Filed: March 27, 1989
    Date of Patent: November 19, 1991
    Inventor: Larry L. Hager
  • Patent number: D322282
    Type: Grant
    Filed: March 28, 1989
    Date of Patent: December 10, 1991
    Assignee: Pentel Kabushiki Kaisha
    Inventor: Shingo Mishima
  • Patent number: D322283
    Type: Grant
    Filed: August 16, 1989
    Date of Patent: December 10, 1991
    Inventors: Eleanor E. Perez, Susan M. Welch
  • Patent number: D322516
    Type: Grant
    Filed: October 19, 1989
    Date of Patent: December 24, 1991
    Assignee: Wite Out Products, Inc.
    Inventor: George W. Korper
  • Patent number: D324699
    Type: Grant
    Filed: December 19, 1989
    Date of Patent: March 17, 1992
    Assignee: Skylite Industry Co., Ltd.
    Inventor: Keiichi Ohashi
  • Patent number: D329253
    Type: Grant
    Filed: January 19, 1990
    Date of Patent: September 8, 1992
    Assignee: Pentel Kabushiki Kaisha
    Inventor: Shungo Sekiguchi
  • Patent number: D329661
    Type: Grant
    Filed: July 23, 1990
    Date of Patent: September 22, 1992
    Assignee: Tombow Pencil Co., Ltd.
    Inventor: Shigeru Kimura
  • Patent number: D330388
    Type: Grant
    Filed: August 21, 1989
    Date of Patent: October 20, 1992
    Inventor: Byung S. Choi
  • Patent number: D331778
    Type: Grant
    Filed: June 3, 1991
    Date of Patent: December 15, 1992
    Assignee: Hart Enterprises, Inc.
    Inventor: Richard P. Christen
  • Patent number: D355442
    Type: Grant
    Filed: January 14, 1994
    Date of Patent: February 14, 1995
    Assignee: Pioneer Industrial Corporation
    Inventor: Cheng-Hwa Chuang
  • Patent number: D358169
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: May 9, 1995
    Assignee: Pentel of America, Ltd.
    Inventor: Minoru Osada
  • Patent number: D362683
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: September 26, 1995
    Assignee: Sanford Corporation
    Inventors: Michael J. Wagner, Rodney J. Baudino
  • Patent number: D363740
    Type: Grant
    Filed: February 22, 1995
    Date of Patent: October 31, 1995
    Inventor: Steven R. Quimby
  • Patent number: D366670
    Type: Grant
    Filed: September 9, 1994
    Date of Patent: January 30, 1996
    Inventor: Sung J. Huh
  • Patent number: D366671
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: January 30, 1996
    Assignee: Berol Corporation
    Inventor: Sean Kitzmiller
  • Patent number: D366672
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: January 30, 1996
    Assignee: Berol Corporation
    Inventor: Sean Kitzmiller
  • Patent number: D367672
    Type: Grant
    Filed: February 8, 1995
    Date of Patent: March 5, 1996
    Assignee: Walbuck Crayon Company
    Inventor: John J. Hahn