Patents by Inventor Douglas C. Dayton

Douglas C. Dayton 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).

  • Patent number: 4574318
    Abstract: A video scanning arrangement for scanning and digitizing documents, and having a scanner actuable to scan a document on a tablet beneath the scanner. The scanner is attached to a horizontal arm member which is in turn attached to and movable up and down a vertical support member which in turn is attached to the tablet. Two light arms are pivotally attached to the horizontal arm member and each light arm has a light source attached to its nonpivoting end. Each light arm is normally folded against the horizontal arm member for storage when the video scanning arrangement is not in use, and the light arms are extended to move the light sources away from the arm member when the video scanning arrangement is to be used. The light sources are energized to illuminate a document on the tablet when the scanner is actuated to scan a document.
    Type: Grant
    Filed: September 30, 1983
    Date of Patent: March 4, 1986
    Assignee: Wang Laboratories, Inc.
    Inventors: Douglas C. Dayton, Clifford E. LaCount, Burton G. McConchie
  • Patent number: D277673
    Type: Grant
    Filed: June 10, 1982
    Date of Patent: February 19, 1985
    Assignee: Apple Computer, Inc.
    Inventors: William F. Dresselhaus, Kenneth S. Campbell, Clive R. Twyman, Douglas C. Dayton
  • Patent number: D277674
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: February 19, 1985
    Assignee: Wang Laboratories, Inc.
    Inventors: Karen L. Usab, Douglas C. Dayton
  • Patent number: D282470
    Type: Grant
    Filed: September 30, 1983
    Date of Patent: February 4, 1986
    Assignee: Wang Laboratories, Inc.
    Inventor: Douglas C. Dayton