Granted Patent
Utility
US 6,836,280 · App. 10/235,354
Collimation assembly and methods and apparatus for calibrating collimation and pre-scan assemblies in a laser scanning unit
Inventors:
Roger Steven Cannon, Christopher Chee, Robert Paterson
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Sep 5, 2002
Inventors
Roger Steven Cannon
Christopher Chee
Robert Paterson
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.