Granted Patent
Utility
US 6,768,838 · App. 09/966,097
Optical module
Inventor:
Xiaofan Zhu
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Oct 1, 2001
Inventor
Xiaofan Zhu
Assignee (at issue)
NIPPON SHEET GLASS COMPANY, LIMITED
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.