Granted Patent
Utility
US 5,629,903 · App. 08/632,826
Semiconductor memory device
Inventor:
Masashi Agata
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Apr 16, 1996
Inventor
Masashi Agata
Assignee (at issue)
Matsushita Electronics 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.