Granted Patent
Utility
US 5,187,300 · App. 07/764,566
Volatile precursors for copper CVD
Inventor:
John Anthony Thomas Norman
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Sep 20, 1991
Inventor
John Anthony Thomas Norman
Assignee (at issue)
Air Products and Chemicals, Inc.
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.