Granted Patent
Utility
US 6,644,779 · App. 09/957,096
Rotating waste ink accumulation system
Inventors:
Charles Stanley Aldrich, Martin Alan Johnson, Herman Anthony Smith, Randal Scott Williamson
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Sep 20, 2001
Inventors
Charles Stanley Aldrich
Martin Alan Johnson
Herman Anthony Smith
Randal Scott Williamson
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.