Patents by Inventor Clo Elton Armantrout

Clo Elton Armantrout 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).

  • Massive catalyst
    Patent number: 4089812
    Abstract: A massive shaped catalyst comprising a nickel-aluminum alloy having a surface layer of high surface area nickel.
    Type: Grant
    Filed: May 13, 1977
    Date of Patent: May 16, 1978
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Stephen A. O'Hare, James E. Mauser, Clo Elton Armantrout