Patents by Inventor Chii M. Huang

Chii M. Huang 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: 4776716
    Abstract: This foldable multipurpose cleaning device comprises a fluid-receiving receptacle member detachably connected to a cleaning head assembly. The receptacle member includes a plunger and dispensing means for the fluid. The cleaning head assembly includes an elongated scraper or squeegee and an elongated brush or sponge borne on a carriage member, an intermediate coupling member projecting from the carriage member and comprising a female housing member with a locking notch in its base, a slotted body member topped with a male head portion that has near its base a lug that is engagable with the notch on the female housing member in a releasable gripping relationship when the carriage member is in a generally horizontal position for operation, the female housing member being pivotally attached to the male head portion by means of oppositely-disposed pivot pin elements projecting from the male head portion into corresponding pivot slots in the female housing member for slip joint action therebetween.
    Type: Grant
    Filed: March 12, 1987
    Date of Patent: October 11, 1988
    Assignee: Sunshine Industries, Inc.
    Inventor: Chii M. Huang
  • Patent number: D315975
    Type: Grant
    Filed: January 7, 1988
    Date of Patent: April 2, 1991
    Inventor: Chii M. Huang