Granted Patent
Utility
US 6,240,043 · App. 09/456,588
SDRAM with a maskable input
Inventors:
David R. Hanson, Toshiaki Kirihata, Gerhard Mueller
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Dec 8, 1999
Inventors
David R. Hanson
Toshiaki Kirihata
Gerhard Mueller
Assignee (at issue)
International Business Machines 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.