Granted Patent
Utility
US 5,283,150 · App. 07/890,057
Electrostatographic toner and method for the preparation thereof
Inventors:
Dinesh Tyagi, Donna A. DiPrima
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: May 28, 1992
Inventors
Dinesh Tyagi
Donna A. DiPrima
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.