Patents Assigned to Graham Magnetics, Inc.
  • Iron-nickel-cobalt magnetic powder and tape prepared therefrom
    Patent number: 4054530
    Abstract: A magnetic tape based on a cobalt-nickel-iron powder having an extraordinary combination of chemical stability and magnetic properties.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: October 18, 1977
    Assignee: Graham Magnetics, Inc.
    Inventor: Robert J. Deffeyes