Patents by Inventor David Kangas

David Kangas has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ratchet assembly for surgical instrument
    Patent number: 6053908
    Abstract: A ratchet assembly for a surgical instrument includes a bar having teeth; a pawl having a member for engaging the teeth, the bar being movable relative to the pawl in two directions along an axis, and the pawl being pivotable between a first ratchet position for allowing movement of the bar relative to the pawl in a first direction along the axis and a second ratchet position for allowing movement of the bar relative to the pawl in a second direction along the axis; and a toggle member associated with the pawl and the bar for allowing pivot of the pawl between the first ratchet position and the second ratchet position.
    Type: Grant
    Filed: January 7, 1999
    Date of Patent: April 25, 2000
    Assignee: Design Standards Corporation
    Inventors: Lawrence Crainich, David Kangas