Granted Patent
Utility
US 5,517,458 · App. 08/296,468
Roll call decoder for semiconductor memory having redundant memory cells
Inventor:
Yasuji Koshikawa
Patented Case
View Patent ↗
Granted: May 14, 1996
Filed: Aug 26, 1994
Inventor
Yasuji Koshikawa
Assignee (at issue)
NEC 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.