Granted Patent
Utility
US 6,255,684 · App. 09/071,798
DRAM cell configuration and method for its production
Inventors:
Wolfgang Roesner, Lothar Risch, Franz Hofmann
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: May 4, 1998
Inventors
Wolfgang Roesner
Lothar Risch
Franz Hofmann
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.