Granted Patent
Utility
US 6,492,221 · App. 09/806,427
DRAM cell arrangement
Inventors:
Franz Hofmann, Josef Willer, Till Schloesser
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Jul 3, 2001
Inventors
Franz Hofmann
Josef Willer
Till Schloesser
Assignee (at issue)
Infineon 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.