Granted Patent
Utility
US 6,716,643 · App. 10/048,192
Method for producing a semiconductor memory element
Inventors:
Manfred Engelhardt, Volker Weinrich
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jun 3, 2002
Inventors
Manfred Engelhardt
Volker Weinrich
Assignee (at issue)
Infineon Technologies AG
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.