Granted Patent
Utility
US 6,534,403 · App. 09/939,321
Method of making a contact and via structure
Inventor:
James M. Cleeves
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Aug 24, 2001
Inventor
James M. Cleeves
Assignee (at issue)
MATRIX SEMICONDUCTOR, 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.