Granted Patent
Utility
US 6,775,037 · App. 10/393,681
Grating matrix recording system
Inventor:
Wai-Hon Lee
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Mar 20, 2003
Inventor
Wai-Hon Lee
Assignee (at issue)
K Laser Technology, 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.