Patents by Inventor Lei-Chen Shih

Lei-Chen Shih 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: 4856694
    Abstract: A paper shifting apparatus for toilet seats includes; a supply mechanism with a pair of rollers pivotally installed in a supply case which is adapted to be fixed at a proper place close to one side of a toilet bowl; a take-up mechanism with a pair of rollers pivotally provided in a taki-up case to be positioned at a place close to another side of the toilet bowl; a continuous toilet-seat covering paper prepared in a stack in the supply case having a feed portion and a running portion movably arranged between the supply mechanism and the take-up mechanism for being rotatably moved piece by piece over the toilet seat; a fine adjusting device fixed at an axial end of the take-up mechanism; and a locating and driving device installed in the take-up case and mechanically coupled with the take-up mechanism; so that, by starting the locating and driving device, the take-up mechanism will be driven to effect the replacement of one piece of the continuous toilet-seat covering paper.
    Type: Grant
    Filed: June 7, 1988
    Date of Patent: August 15, 1989
    Inventor: Lei-Chen Shih