Patents by Inventor Kwan Chi Kim

Kwan Chi Kim 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).

  • Patent number: 3964121
    Abstract: A floor mop which is provided with a ready removable brush means so that a floor surface can be quickly and thoroughly cleaned. A standard form of mop is provided with a brush that can be easily removed and quickly attached thereto and whenever the brush is worn and needed to be replaced the operation is very simple and as simple as replacing a mop to its holder. The brush is so arranged and equipped that it can be attached to a standard type of mop device which is obtainable in the market place.
    Type: Grant
    Filed: January 18, 1971
    Date of Patent: June 22, 1976
    Inventor: Kwan Chi Kim