Granted Patent
Utility
US 6,590,913 · App. 09/312,435
Barrier layer and method of making the same
Inventors:
Bernard Caras, David Coult, Gustav E. Derkits, Jr., Charles Lentz, Debra L. Waltemyer
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: May 14, 1999
Inventors
Bernard Caras
David Coult
Gustav E. Derkits, Jr.
Charles Lentz
Debra L. Waltemyer
Assignee (at issue)
TriQuint Technology Holding Co.
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.