Patents by Inventor Stephen Joseph Lam

Stephen Joseph Lam 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).

  • Vibration free diamond polishing workbench
    Patent number: 4084351
    Abstract: A diamond polishing workbench having a top working surface substantially free of vibration comprises an open rectangular steel frame having a peripheral shoulder on its interior. A first support table is rested within the shoulder and is mechanically insulated from the frame by a vibration damping material and a polishing wheel mount is connected to the first table. A second table is seated on the upper surface of the frame and is also mechanically insulated from the frame by a suitable vibration damping material.
    Type: Grant
    Filed: March 18, 1977
    Date of Patent: April 18, 1978
    Inventors: David Nicholas Lam, Stephen Joseph Lam