Granted Patent
Utility
US 6,768,686 · App. 10/001,429
Read/write amplifier for a DRAM memory cell, and DRAM memory
Inventor:
Alexander Frey
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Oct 30, 2001
Inventor
Alexander Frey
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.