Granted Patent
Utility
US 5,874,769 · App. 08/182,809
Mosfet isolation structure with planar surface
Inventors:
Tsiu C. Chan, Frank R. Bryant
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Jan 14, 1994
Inventors
Tsiu C. Chan
Frank R. Bryant
Assignee (at issue)
STMICROELECTRONICS, INC.
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.