Patents Assigned to S.P. Air Kabasiki Kaisha
  • Impact wrench
    Patent number: D434958
    Type: Grant
    Filed: January 26, 2000
    Date of Patent: December 12, 2000
    Assignee: S.P. Air Kabasiki Kaisha
    Inventor: Osamu Izumisawa
  • Square drive wrench
    Patent number: D435204
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: December 19, 2000
    Assignee: S.P. Air Kabasiki Kaisha
    Inventor: Osamu Izumisawa