Patents Represented by Attorney John B. Hardaway
  • Patent number: 3948813
    Abstract: Oxide compositions containing niobium pentoxide and an oxide selected from the group consisting of hafnia, titania, and zirconia have electrical conductivity characteristics which vary greatly depending on the oxygen content.
    Type: Grant
    Filed: December 2, 1974
    Date of Patent: April 6, 1976
    Assignee: The United States of America as represented by the United States Energy Research and Development Administration
    Inventors: Cressie E. Holcombe, Jr., Douglas D. Smith