Granted Patent
Utility
US 4,855,205 · App. 07/229,366
Interdispersed two-phase ferrite composite and carrier therefrom
Inventors:
Bijay S. Saha, Robert E. Zeman
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Aug 5, 1988
Inventors
Bijay S. Saha
Robert E. Zeman
Assignee (at issue)
EASTMAN KODAK COMPANY
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.