Granted Patent
Utility
US 6,556,477 · App. 09/861,788
Integrated chip having SRAM, DRAM and flash memory and method for fabricating the same
Inventors:
Louis L. Hsu, Carl Radens, Li-Kong Wang
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: May 21, 2001
Inventors
Louis L. Hsu
Carl Radens
Li-Kong Wang
Assignee (at issue)
IBM Corporation
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.