Granted Patent
Utility
US 5,639,690 · App. 08/471,205
Method for manufacturing a conductive pattern structure for a semiconductor device
Inventor:
Hiroshi Onoda
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: Jun 6, 1995
Inventor
Hiroshi Onoda
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.