Granted Patent
Utility
US 5,140,936 · App. 07/631,124
Development apparatus having means for partially skiving magnetic developer
Inventors:
Douglas B. Strong, Edward M. Cyrana, Thomas K. Hilbert
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: Dec 20, 1990
Inventors
Douglas B. Strong
Edward M. Cyrana
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.