Patents by Inventor Winston Chu

Winston Chu 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).

  • Curtain drawing apparatus
    Patent number: 6024156
    Abstract: A fully automatic motor driven curtain drawing apparatus which is of a simple, but highly reliable design and one which can be easily adjusted to accommodate windows of widely differing sizes. They can be opened either manually or by an electric motor which can be remotely energized. A timer and a sensor are operably connected to the electric motor and function to energize the motor either at a predetermined time or in response to the sensor sensing daylight and dark.
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: February 15, 2000
    Assignee: Marikon Resources, Inc.
    Inventor: Winston Chu