Granted Patent
Utility
US 5,937,296 · App. 08/770,962
Memory cell that includes a vertical transistor and a trench capacitor
Inventor:
Norbert Arnold
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Dec 20, 1996
Inventor
Norbert Arnold
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.