Granted Patent
Utility
US 6,086,949 · App. 09/030,643
Thin film protective coating with two thickness regions
Inventors:
Cherngye Hwang, Charles Cheng-Hsing Lee, Richard L. White
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Feb 25, 1998
Inventors
Cherngye Hwang
Charles Cheng-Hsing Lee
Richard L. White
Assignee (at issue)
International Business Machines 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.