Granted Patent
Utility
US 6,445,639 · App. 09/735,338
Integrated dynamic semiconductor memory with time controlled read access
Inventors:
Helmut Fischer, Thoralf Graetz
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Dec 12, 2000
Inventors
Helmut Fischer
Thoralf Graetz
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.