Patents by Inventor John W. Bellue

John W. Bellue 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).

  • Ergonomic writing instrument
    Patent number: 6648536
    Abstract: A writing instrument having an ergonomic configuration and methods for making the instrument. The instrument is elongated having an equilateral triangular cross-section and having a uniform partial twist along the length thereof. The partial twist permits flat surface engagement for the thumb, index finger and middle finger and for the dorsal first web space of the user's hand. The uniform twist in combination with the equilateral cross-sectional shape also permits tight packing in bulk. A method for making the instrument in the form of a rigid pencil is also provided.
    Type: Grant
    Filed: July 19, 2002
    Date of Patent: November 18, 2003
    Inventor: John W. Bellue
  • Ergonomic writing instrument
    Patent number: 5893671
    Abstract: A writing instrument having a ergonomic configuration and methods for making the instrument are provided. The instrument is elongated having an equilateral triangular cross-section and having a uniform partial twist along the length thereof. The partial twist permits flat surface engagement for the index finger, middle finger and for the hand between the base of thumb and the base of the index finger of the user. The uniform twist in combination with the equilateral cross-sectional shape also permits tight packing in bulk, and the partial twist permits flat sided engagement with the resting surface (desk top). A method for making the instrument in the form of a rigid pencil is also provided.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: April 13, 1999
    Inventor: John W. Bellue