Granted Patent
Utility
US 5,316,882 · App. 08/053,560
Ferrite green beads and method of producing carrier particles
Inventors:
Shankar S. Bijay, Tsang J. Chen
Patented Case
View Patent ↗
Granted: May 31, 1994
Filed: Apr 23, 1993
Inventors
Shankar S. Bijay
Tsang J. Chen
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.