Granted Patent
Utility
US 6,719,204 · App. 10/116,528
Mathieu-Gaussian beam for optical scanners
Inventor:
Yajun Li
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Apr 4, 2002
Inventor
Yajun Li
Assignee (at issue)
Symbol Technologies, LLC
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.