Granted Patent
Utility
US 6,147,376 · App. 09/228,611
DRAM cell arrangement and method for its production
Inventors:
Franz Hofman, Lothar Risch, Wolfgang Roesner, Wolfgang Krautschneider
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Jan 12, 1999
Inventors
Franz Hofman
Lothar Risch
Wolfgang Roesner
Wolfgang Krautschneider
Assignee (at issue)
Siemens Aktiengesellschaft
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.