Granted Patent
Utility
US 6,779,136 · App. 09/776,947
Method for testing the refresh device of an information memory
Inventors:
Detlev Richter, Wolfgang Anton Spirkl
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Feb 5, 2001
Inventors
Detlev Richter
Wolfgang Anton Spirkl
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.