Granted Patent
Utility
US 6,359,640 · App. 09/560,549
Method and apparatus for minimizing visual artifacts resulting from laser scan process direction position errors
Inventors:
Cary Patterson Ravitz, Thomas George Twardeck
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Apr 28, 2000
Inventors
Cary Patterson Ravitz
Thomas George Twardeck
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.