Patents Assigned to Collier Bros.
  • Pencil sharpener
    Patent number: 4406315
    Abstract: A pencil sharpener is constructed in the overall configuration of a pen, and arranged to fit within a person's breast pocket. The pencil sharpener includes a tubular receptacle having one closed end and a sharpening tool at its other, opened end. A cap is arranged to fit over the tubular receptacle to close the open end and cover the sharpening tool. Alternate tools for crayons and drawing pencils are described.
    Type: Grant
    Filed: February 20, 1981
    Date of Patent: September 27, 1983
    Assignee: Collier Bros.
    Inventor: Todd Brickhouse