Granted Patent
Utility
US 5,480,757 · App. 08/253,446
Two component electrophotographic developers and preparation method
Inventors:
Thomas A. Jadwin, Hans W. Osterhoudt, John M. Spence, Dinesh Tyagi
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Jun 8, 1994
Inventors
Thomas A. Jadwin
Hans W. Osterhoudt
John M. Spence
Dinesh Tyagi
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.