Patents by Inventor Tsong-Hsien Chen

Tsong-Hsien Chen 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).

  • Cassette for supporting an audio tape in a compact disc rack
    Patent number: 5669499
    Abstract: A cassette includes a base having two notches and depressions formed in the side walls. An insert is received in the base and has one or more recesses aligned with the depressions of the base. The insert may receive an audio tape and has two notches aligned with the notches of the base. A cap is pivotally coupled to the base and has one or more protrusions for engaging with the recesses and the depressions so as to retain the cap in place. The cassette has a size that may be stored in a typical CD storing rack.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: September 23, 1997
    Inventor: Tsong-Hsien Chen