Patents by Inventor Won Il Cha

Won Il Cha 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).

  • Stable thermos multi-cup
    Patent number: 7111748
    Abstract: A novel combination cup for carrying soft drinks and snacks within one cup structure is comprised of: 1) an upper cup body, 2) a lid cover for the upper cup body, 3) an insulating plate 4) a ring, and, 5) a lower cup body jointed together. The upper cup body lid cover may be used as cup holder to prevent the cup from falling over and spilling its contents. The lower cup body may be used to contain liquid drinks while the upper cup body may be used to contain solid snacks. The convenient combination of this invention enables a user to eat and drink using only one hand, and also to enjoy the cool or hot temperature of the drinks longer and safer.
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: September 26, 2006
    Inventor: Won Il Cha
  • Stable thermos multi-cup
    Publication number: 20040262323
    Abstract: A novel combination cup for carrying soft drinks and snacks within one cup structure is comprised of: 1) an upper cup body, 2) a lid cover for the upper cup body, 3) an insulating plate 4) a ring, and, 5) a lower cup body jointed together. The upper cup body lid cover may be used as cup holder to prevent the cup from falling over and spilling its contents. The lower cup body may be used to contain liquid drinks while the upper cup body may be used to contain solid snacks. The convenient combination of this invention enables a user to eat and drink using only one hand, and also to enjoy the cool or hot temperature of the drinks longer and safer.
    Type: Application
    Filed: June 30, 2003
    Publication date: December 30, 2004
    Inventor: Won Il Cha