Patents by Inventor Randy Cheng-Shin Chen

Randy Cheng-Shin 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).

  • Motion-detecting note holder
    Patent number: 7266919
    Abstract: A motion-detecting note holder is disclosed. Such a note holder includes a note retention member, a motion sensor, a note-waiting indicator, and a controller in communication with the motion sensor and the note-waiting indicator. The controller, upon receiving a motion-detection signal from the motion sensor, causes the note-waiting indicator to provide a human-perceptible indication that a note is in the note retention member.
    Type: Grant
    Filed: February 24, 2004
    Date of Patent: September 11, 2007
    Assignee: Parallel Products, LLC
    Inventors: David Vincent Helmlinger, Stephen Nicholas Weiss, Randy Cheng-Shin Chen