Patents by Inventor Lin I-Chia

Lin I-Chia 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).

  • Security unit for a paper currency receiving system for vending machine or the like
    Patent number: 6349810
    Abstract: A security unit installed in a paper currency receiving system in a vending machine at a rear side of a paper currency passage to stop recognized paper currency from being pulled backwards with an external object, the security unit including a holder block having staggered rows of forward protruding plates, a cover plate swinging between a first position where the cover plate is closed with openings thereof coupled to the forward protruding plates to stop recognized paper currency from being pulled backwards, and a second position where the cover plate is disengaged from the forward protruding plates for enabling inserted paper currency to pass.
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: February 26, 2002
    Assignee: Gamemax Corporation
    Inventor: Lin I-Chia