Granted Patent
Utility
US 5,227,848 · App. 07/831,148
Developer flow rate regulation for an electrophotographic toning roller
Inventors:
Kelly S. Robinson, Althea M. Lucas, Thomas K. Hilbert
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Feb 4, 1992
Inventors
Kelly S. Robinson
Althea M. Lucas
Thomas K. Hilbert
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.