Patents by Inventor George S. Kotrch

George S. Kotrch 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).

  • Pinned ceramic substrate
    Patent number: 4434134
    Abstract: Ceramic substrates are pinned using powdered metallurgy pins formed in situ on the substrate.
    Type: Grant
    Filed: April 10, 1981
    Date of Patent: February 28, 1984
    Assignee: International Business Machines Corporation
    Inventors: Russell E. Darrow, Joseph Funari, George S. Kotrch, George C. Phillips