Granted Patent
Utility
US 6,147,817 · App. 09/203,028
Optical module
Inventor:
Hideki Hashizume
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Dec 1, 1998
Inventor
Hideki Hashizume
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.