Granted Patent
Utility
US 6,106,089 · App. 08/958,274
Magnetic sensor for ink detection
Inventors:
Xin Wen, Frederick R. Chamberlain, IV
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Oct 27, 1997
Inventors
Xin Wen
Frederick R. Chamberlain, IV
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.