Patents Assigned to David C. Young
  • Patent number: 4319404
    Abstract: A sighting device attachment for a chain saw allows an operator to measure desired lengths to be cut which are substantially greater than the size of the attachment, and allows adjustment to provide a wide variety of lengths.
    Type: Grant
    Filed: March 20, 1980
    Date of Patent: March 16, 1982
    Assignee: David C. Young
    Inventor: Helmut E. Brock