Granted Patent
Utility
US 6,064,589 · App. 09/072,879
Double gate DRAM memory cell
Inventor:
Darryl G. Walker
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: May 5, 1998
Inventor
Darryl G. Walker
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.