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