Patents by Inventor John Hayes Tundermann

John Hayes Tundermann 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).

  • Production of reflective metal flake pigments
    Patent number: 3941584
    Abstract: Directed to a metal flake powder of a stain-resistant metal or alloy and a process for producing the same wherein a metal powder of -100 mesh size is ball milled in a mobile liquid medium wherein the ratio of mobile liquid to powder being milled is at least about 10 to 1, e.g., about 25:1 to about 50:1.
    Type: Grant
    Filed: June 19, 1974
    Date of Patent: March 2, 1976
    Assignee: The International Nickel Company, Inc.
    Inventors: John Hayes Tundermann, John Herbert Harrington