Patents by Inventor Fania Christopher

Fania Christopher 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).

  • Writing instrument with retractable ink cartridge and retractable correcting fluid cartridge
    Patent number: 6554516
    Abstract: A writing instrument with a retractable ink cartridge and retractable correcting fluid cartridge mounted on opposite ends. Actuators on the barrel of the writing instrument would extend or retract the writing or correcting tool desired. The correcting fluid end incorporates a sealed aperture to keep the correction fluid from drying out. This combination of tools and ease of use makes for a more versatile and convenient tool for writing, correcting or editing documents.
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: April 29, 2003
    Inventor: Fania Christopher