Granted Patent
Utility
US 5,373,180 · App. 08/121,082
Planar isolation technique for integrated circuits
Inventors:
Steven J. Hillenius, William T. Lynch, Lalita Manchanda, Mark R. Pinto, Sheila Vaidya
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: Sep 14, 1993
Inventors
Steven J. Hillenius
William T. Lynch
Lalita Manchanda
Mark R. Pinto
Sheila Vaidya
Assignee (at issue)
AT&T CORP.
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.