Patents Assigned to Kona Associates Limited Partnership
  • Boomerang
    Patent number: 4452461
    Abstract: A cross-stick boomerang has its leading edges or trailing edges substantially aligned. The outermost portion of each blade extends farther to the rear than does the general line of the trailing edge. In one version, an inner fin is provided inwardly of the outer fin, and in another version the hub portion is enlarged to provide a generally circular shape.
    Type: Grant
    Filed: August 18, 1982
    Date of Patent: June 5, 1984
    Assignee: Kona Associates Limited Partnership
    Inventor: Mark J. O'Brien