Patents by Inventor Dae Woo

Dae Woo 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).

  • Coin sorting apparatus and operation method of the same
    Publication number: 20060070841
    Abstract: A coin sorting apparatus is provided. The coin sorting apparatus includes a coin separating unit for separating coins depending on kinds of the coins, and a coin receiving unit. The coin receiving unit continues to automatically operate until a plurality of coin receiving tubs are all full. Therefore, the number of coins that can be separated by one-time operation is increased, thereby improving a user's convenience.
    Type: Application
    Filed: October 7, 2004
    Publication date: April 6, 2006
    Inventors: Hun Choi, Dae Woo, Han Park, Un Kim