Circular Or Cylindrical Housing Patents (Class D23/336)
  • Kerosene heater
    Patent number: D298049
    Type: Grant
    Filed: December 30, 1985
    Date of Patent: October 11, 1988
    Assignee: Uchida Manufacturing Co., Ltd.
    Inventor: Kunio Takahashi
  • Kerosene heater
    Patent number: D299525
    Type: Grant
    Filed: January 2, 1986
    Date of Patent: January 24, 1989
    Assignee: Toshiba Electric Appliances Co., Ltd.
    Inventors: Sadao Nasui, Kazuyoshi Irisawa
  • Kerosene heater
    Patent number: D300455
    Type: Grant
    Filed: March 11, 1986
    Date of Patent: March 28, 1989
    Assignee: Imanishi Kinzoku Kogyo Kabushiki Kaisha
    Inventor: Koichi Sakai
  • Kerosene heater
    Patent number: D300456
    Type: Grant
    Filed: June 10, 1986
    Date of Patent: March 28, 1989
    Assignee: Imanishi Kinzoku Kogyo Kabushiki Kaisha
    Inventor: Koichi Sakai
  • Thermal expansion heater for bearings
    Patent number: D303832
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: October 3, 1989
    Assignee: Cone Mounter Company
    Inventor: Clyde C. Cone
  • Casing for a fan or heater
    Patent number: D310262
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: August 28, 1990
    Inventor: Lionel Lemire
  • Parabolic electric heater
    Patent number: D312684
    Type: Grant
    Filed: October 7, 1988
    Date of Patent: December 4, 1990
    Assignee: National Presto Industries, Inc.
    Inventors: Richard L. Geissler, Roger L. Kelly
  • Fan heater
    Patent number: D319694
    Type: Grant
    Filed: August 6, 1990
    Date of Patent: September 3, 1991
    Assignee: Tatung Company of America, Inc.
    Inventor: Brent J. Wortham
  • Tiltable heater
    Patent number: D340765
    Type: Grant
    Filed: May 26, 1992
    Date of Patent: October 26, 1993
    Assignee: The Rival Company
    Inventors: Michael S. Joss, Stanley T. Gresens
  • Blow heater
    Patent number: D341417
    Type: Grant
    Filed: February 1, 1993
    Date of Patent: November 16, 1993
    Assignee: Sun Star United Corporation
    Inventor: Brent J. Wortham
  • Portable electric heater
    Patent number: D343231
    Type: Grant
    Filed: September 9, 1992
    Date of Patent: January 11, 1994
    Assignee: Royal Sovereign Corp.
    Inventor: Ta K. Lim