Patents Assigned to North American Sports Training Corporation
  • Patent number: 4585228
    Abstract: A weight assembly adapted to be worn around a hand, wrist and forearm comprising a heavy metal hand stirrup like plate having a central portion adapted to generally cover and extend transversely across the back of the hand, and end portions projecting generally at right angles from opposite ends of its central portion a distance adapted to extend past the palm of the hand; and a tubular grip extending between the end portions adapted to be encircled by the fingers and thumb of the hand. A heavy metal forearm plate extends for a predetermined distance from the wrist longitudinally along the forearm and is attached to the first plate by a hinge having a single pivot axis along the wrist. A flexible cover envelopes the hand and forearm plates and the hinge; and includes a closure for releasably fastening the forearm plate to the forearm.
    Type: Grant
    Filed: August 31, 1984
    Date of Patent: April 29, 1986
    Assignee: North American Sports Training Corporation
    Inventor: Scott B. Olson
  • Patent number: D284781
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: July 22, 1986
    Assignee: North American Sports Training Corporation
    Inventor: Scott B. Olson
  • Patent number: D301908
    Type: Grant
    Filed: May 27, 1987
    Date of Patent: June 27, 1989
    Assignee: North American Sports Training Corporation
    Inventors: Brennan J. Olson, Charles R. Frigard