Granted Patent
Utility
US 5,307,124 · App. 07/979,676
Development method and apparatus including toner pre-charging capability
Inventor:
Eric C. Stelter
Patented Case
View Patent ↗
Granted: Apr 26, 1994
Filed: Nov 20, 1992
Inventor
Eric C. Stelter
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.