Patents by Inventor Pk Lee

Pk Lee 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).

  • Tearing cleaning cloth structure
    Publication number: 20040040109
    Abstract: Tearing cleaning cloth structure composed of multiple sheets of cleaning cloths which are overlapped with each other to form a cleaning cloth. The peripheral of the cleaning cloth is formed with several through holes. The circumference of each through hole is formed with a connecting edge between each upper sheet and each lower sheet of cleaning cloths. After used, the outermost upper and lower cleaning cloths can be entirely torn away. Therefore, in next wipe, the cleaning cloth keeps having an entirely clean surface.
    Type: Application
    Filed: August 28, 2002
    Publication date: March 4, 2004
    Applicant: Chien-Chang Co., Ltd.
    Inventor: Pk Lee