Granted Patent
Utility
US 5,977,579 · App. 09/204,072
Trench dram cell with vertical device and buried word lines
Inventor:
Wendell P. Noble
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Dec 3, 1998
Inventor
Wendell P. Noble
Assignee (at issue)
Micron Technology, Inc.
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.