Granted Patent
Utility
US 6,734,459 · App. 10/133,337
Semiconductor memory cell
Inventor:
Volker Weinrich
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Apr 26, 2002
Inventor
Volker Weinrich
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.