Granted Patent
Utility
US 6,027,790 · App. 09/095,692
Etching process which protects metal
Inventors:
Robert T. Rasmussen, Surjit S. Chadha, David A. Cathey
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Jun 10, 1998
Inventors
Robert T. Rasmussen
Surjit S. Chadha
David A. Cathey
Assignee (at issue)
Micron Technology, 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.