Granted Patent
Utility
US 6,809,980 · App. 10/386,150
Limiter for refresh signal period in DRAM
Inventors:
Joachim Schnabel, Michael Hausmann
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Mar 11, 2003
Inventors
Joachim Schnabel
Michael Hausmann
Assignee (at issue)
Infineon Technologies AG
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.