Patents by Inventor John Henry Alexander

John Henry Alexander 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).

  • Patent number: 4089813
    Abstract: Base metal electrodes are used in ceramic capacitors with a dielectric material comprising barium titanate, barium oxide, magnesium ortho-titanate, calcium titantate, and barium, strontium or calcium zirconate.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: May 16, 1978
    Assignee: ITT Industries, Incorporated
    Inventor: John Henry Alexander
  • Patent number: 3997313
    Abstract: A method for preparing high purity laser and optical fiber glass by the controlled oxidation of metals initially purified by zone refining processes.
    Type: Grant
    Filed: July 16, 1975
    Date of Patent: December 14, 1976
    Assignee: International Standard Electric Corporation
    Inventor: John Henry Alexander