Granted Patent
Utility
US 6,172,391 · App. 09/140,972
DRAM cell arrangement and method for the manufacture thereof
Inventors:
Bernd Goebel, Emmerich Bertagnolli, Helmut Klose
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Aug 27, 1998
Inventors
Bernd Goebel
Emmerich Bertagnolli
Helmut Klose
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.