Granted Patent
Utility
US 6,680,497 · App. 09/667,910
Interstitial diffusion barrier
Inventors:
Patrick Chin, Augusto Gutierrez-Aitken, Eric N. Kaneshiro
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Sep 22, 2000
Inventors
Patrick Chin
Augusto Gutierrez-Aitken
Eric N. Kaneshiro
Assignee (at issue)
TRW Limited
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.