Granted Patent
Utility
US 5,204,285 · App. 07/855,459
Method for patterning a metal layer
Inventor:
Takao Kakiuchi
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Mar 19, 1992
Inventor
Takao Kakiuchi
Assignee (at issue)
Matsushita Electronics Corporation
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.