Patents by Inventor Ng T. Chuen

Ng T. Chuen 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: 5385471
    Abstract: A dental instrument comprising a grasping device in the form of a tweezer member having a finger receiving ring detachably connected to one of the legs of the tweezer member is disclosed. The instrument is used for holding and inserting a Cerec inlay, manufactured by a dental Cerec machine, in a tooth undergoing a restorative procedure. The instrument may further include a threaded axle which coacts with each leg of the tweezers and protrudes from one of the legs. The instrument may also further include a plunger mechanism which facilitates the insertion of an inlay in a prepared tooth cavity.
    Type: Grant
    Filed: December 27, 1993
    Date of Patent: January 31, 1995
    Inventor: Ng T. Chuen