Granted Patent
Utility
US 6,457,801 · App. 09/892,978
Method and apparatus for measuring ink dry time
Inventors:
Gerald Lee Fish, Philip Jerome Heink, Peter Brown Pickett
Patented Case
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Granted: Oct 1, 2002
Filed: Jun 27, 2001
Inventors
Gerald Lee Fish
Philip Jerome Heink
Peter Brown Pickett
Assignee (at issue)
Lexmark International, Inc.
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.