Patents by Inventor Ming S. Wang

Ming S. Wang 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).

  • Electric window blind
    Patent number: 5611386
    Abstract: An electric window blind comprises a driving member capable of being actuated by an action rod to cause the rotary wheels to engage the transmission wheels at the time when the power outage takes place. The rotary wheels can be therefore actuated manually so as to keep to electric window blind in an operating condition in the event of a power interruption.
    Type: Grant
    Filed: December 12, 1995
    Date of Patent: March 18, 1997
    Inventor: Ming S. Wang