Granted Patent
Utility
US 6,144,605 · App. 09/382,786
Refresh circuit for SDRAM
Inventor:
Kyung Nam Park
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Aug 25, 1999
Inventor
Kyung Nam Park
Assignee (at issue)
Hyundai Electronics Industries Co. Ltd.
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.