Granted Patent
Utility
US 5,496,777 · App. 08/293,148
Method of arranging alignment marks
Inventor:
Norio Moriyama
Patented Case
View Patent ↗
Granted: Mar 5, 1996
Filed: Aug 19, 1994
Inventor
Norio Moriyama
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.