Patents Assigned to FS Manufacturing Co., Ltd.
  • Automatic fire extinguisher
    Patent number: D307647
    Type: Grant
    Filed: November 29, 1988
    Date of Patent: May 1, 1990
    Assignees: FS Manufacturing Co., Ltd., Tokyo Bosai Setsubi Co., Ltd., Marubeni Construction Material Lease Co., Ltd.
    Inventors: Yasuo Yamamura, Yukio Akatsu, Tetsuyuki Sugimoto