Patents by Inventor Vincent W. Kwan

Vincent W. Kwan 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: 7018122
    Abstract: A writing instrument comprising a tubular, ink-impermeable body portion containing a plurality of reservoirs that are housed adjacent to each other wherein each reservoir is separated from an adjacent reservoir by a reservoir barrier; a multi-sectioned nib disposed at one end of the writing instrument, said nib comprising a plurality of nib sections disposed adjacent to each other and separated from an adjacent nib section by a nib section barrier at a writing end, wherein the nib sections are secured adjacent to each other, and separated by said nib section barrier at one end thereof to form a writing end of the writing instrument, such that the nib sections do not communicate materials contained therein between adjacent nib sections, and wherein opposite ends of the nib section are spaced from each other and disposed within the tubular body portion such that each nib section is disposed in communication with a different reservoir.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: March 28, 2006
    Assignee: Sanford, L.P.
    Inventors: Vincent W. Kwan, Jennifer Carra