Granted Patent
Utility
US 6,037,620 · App. 09/093,904
DRAM cell with transfer device extending along perimeter of trench storage capacitor
Inventors:
Heinz Hoenigschmid, Louis L. Hsu, Jack A. Mandelman
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Jun 8, 1998
Inventors
Heinz Hoenigschmid
Louis L. Hsu
Jack A. Mandelman
Assignees (at issue)
International Business Machines Corporation
Siemens Aktiengesellschaft
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.