Patents by Inventor Wen-Bing Cheng

Wen-Bing Cheng 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: 7789580
    Abstract: An ergonomic pen having a convex device for an index finger exerting force thereon includes a first indentation proximate a tip thereof, a second indentation besides the first indentation, and an elongate member between the first and second indentations. The elongate member has a convex top surface. The first indentation is adapted to be urged by the muscle opposing the finger nail of the thumb, the second indentation is adapted to be urged by the muscle opposing the finger nail of the middle finger, and the elongate member is adapted to be urged by the muscle opposing the finger nail of the index finger, respectively, with the wrist being disposed in a relatively relaxed position in writing. Easy, labor saving writing can be effected.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: September 7, 2010
    Inventor: Wen-Bing Cheng
  • Publication number: 20090060621
    Abstract: An ergonomic pen having a convex device for index finger exerting force thereon is disclosed. The ergonomic pen includes a first indentation proximate a tip thereof; a second indentation besides the first indentation; and an elongate member between the first and second indentations, the elongate member having a convex top surface, wherein the first indentation is adapted to be urged by the muscle opposing the finger nail of the thumb, the second indentation is adapted to be urged by the muscle opposing the finger nail of the index finger, and the elongate member is adapted to be urged by the muscle opposing the finger nail of the middle finger respectively with the wrist being disposed in a relatively relaxed position in writing. The invention can effect an easy, labor saving writing.
    Type: Application
    Filed: April 26, 2006
    Publication date: March 5, 2009
    Inventor: Wen-Bing Cheng