Patents by Inventor Bor-Jou Wang

Bor-Jou Wang 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: 4989298
    Abstract: Disclosed is a file clip which comprises a pressure bar to drive a clamp plate to clamp on a base plate by means of the operation of a torsional spring. The clamp plate is movably secured to the base plate by two crank levers. The crank levers have each two conical portions at two opposite ends thereof and respectively made in an extended size so that they can be conveniently fastened in the fixing holes on the base plate and the positioning holes on the clamp plate to firmly secure the clamp plate to the base plate. Except the torsional spring which is made metal material, the other parts of the clip are made of plastic material through injection molding process.
    Type: Grant
    Filed: June 5, 1990
    Date of Patent: February 5, 1991
    Inventor: Bor-Jou Wang
  • Patent number: 4959892
    Abstract: A shaftless clip for clamping name plate, paper and etc., which is comprised of two pivoted parts with a spring retained therebetween to force the two pivoted parts to constantly clamp up together. The first part of the clip comprises two side pins respectively inserted in two side slots of the two side walls of the second part, and an unitary frame structure for the setting therein of the spring permitting the two legs of the spring to respectively strop against the inner surface of the first and second parts.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: October 2, 1990
    Inventor: Bor-Jou Wang
  • Patent number: 4960205
    Abstract: A multipurpose storage case comprising therein a plurality of upper receiving spaces and lower receiving spaces symmetrically disposed at both sides thereof for concomitantly or alternatively receiving therein video tapes, recording tapes, and CDs.
    Type: Grant
    Filed: October 16, 1989
    Date of Patent: October 2, 1990
    Inventor: Bor-Jou Wang
  • Patent number: 4936454
    Abstract: A portable file case includes a expandable front panel which can be alternatively positioned at two predetermined positions to adjust the inner receiving chamber according to the amount files received therein, and comprises internally a range adjustable hanging structure for mounting a variety of hanging files.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: June 26, 1990
    Inventor: Bor-Jou Wang