Granted Patent
Utility
US 4,492,180 · App. 06/243,825
Apparatus for indexing and registering a selected deposition mask to a substrate and method therefor
Inventor:
Richard Martin
Patented Case
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Granted: Jan 8, 1985
Filed: Mar 16, 1981
Inventor
Richard Martin
Assignee (at issue)
Applied Magnetics, LLC
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.