Granted Patent
Utility
US 5,635,434 · App. 08/528,629
Ceramic ferroelectric composite material-BSTO-magnesium based compound
Inventor:
Louise Sengupta
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Sep 11, 1995
Inventor
Louise Sengupta
Assignee (at issue)
The United States of America as represented by the Secretary of the Army
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.