Granted Patent
Utility
US 6,621,112 · App. 09/731,343
DRAM with vertical transistor and trench capacitor memory cells and methods of fabrication
Inventors:
Venkatachalam C. Jaiprakash, Mihel Seitz, Norbert Arnold
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Dec 6, 2000
Inventors
Venkatachalam C. Jaiprakash
Mihel Seitz
Norbert Arnold
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.