Patents by Inventor Michael E. Leitten

Michael E. Leitten 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).

  • Lapping slurry
    Patent number: 5855633
    Abstract: Improved lapping slurries provide for easier and more thorough cleaning of alumina workpieces, as well as inhibit corrosion of the lapping table and provide for easier cleaning of the lapping equipment. The unthickened lapping slurry comprises abrasive grains such as diamond abrasive dispersed in a carrier comprising water, glycerine, and triethanolamine. The thickened lapping slurry comprises abrasive grains such as diamond abrasive dispersed in a carrier comprising water, glycerine, triethanolamine, a water soluble silicate, and acid.
    Type: Grant
    Filed: June 6, 1997
    Date of Patent: January 5, 1999
    Assignee: Lockheed Martin Energy Systems, Inc.
    Inventors: Ronald F. Simandl, Victor S. Upchurch, Michael E. Leitten