Patents by Inventor Dennis R. Douglas

Dennis R. Douglas 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).

  • Square tool with pencil clip
    Patent number: 6553631
    Abstract: A square tool defining a triangular housing contains a tape measure, spirit level, and pencil sharpener. A triangular chassis is covered at a top triangular cover, a bottom triangular cover and contains the tape measure, spirit level, and pencil sharpener. The triangular chassis defines two sides intersecting at right angles with the hypotenuse closing the third side. A pencil clip having an arcuate pencil holding arm is provided. The arcuate pencil holding arm attaches to a pencil arm base, a trapped arm backing extending at 90° to the pencil arm base, and a chassis mounting clip extending along the underside of the triangular chassis.
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: April 29, 2003
    Assignee: Square One Products, Inc.
    Inventor: Dennis R. Douglas
  • Moulding facade
    Patent number: D373431
    Type: Grant
    Filed: February 10, 1994
    Date of Patent: September 3, 1996
    Inventors: Dennis R. Douglas, Deborah M. Robertson