Patents Assigned to Kockumation AB
  • Aspirator system for sound emitters
    Patent number: 4480658
    Abstract: A fluid operated pressure oscillation generator having an additional inlet passage to permit removal of a cover.
    Type: Grant
    Filed: September 16, 1982
    Date of Patent: November 6, 1984
    Assignee: Kockumation AB
    Inventors: Charles E. Blakeslee, Ingemar Alsenfelt