Patents by Inventor Chen M. Chieh

Chen M. Chieh 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).

  • Structure for nose pieces of spectacles
    Patent number: 5406338
    Abstract: An improved structure for nose pieces of spectacles includes two nose pieces made of soft plastic with concave surface which is planted with fine down and formed with a plurality of air permeable holes therein. A connecting axle is integrately formed on the rear surface of nose piece and extended into a base. A protruding ball is formed at one end of the connecting axle and is held in the base. The protruding ball has a flat top surface to contact with a spectacle seat and has a concave bottom surface to match a pressing detent below. A torsional spring is disposed in the base along with pressing detent. A latching axle is used to hold the base, pressing detent and torsional spring together.
    Type: Grant
    Filed: June 17, 1994
    Date of Patent: April 11, 1995
    Inventor: Chen M. Chieh