Granted Patent
Utility
US 5,118,577 · App. 07/375,200
Plasma treatment for ceramic materials
Inventors:
Amarjit S. Brar, Jagdish P. Sharma
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Jul 3, 1989
Inventors
Amarjit S. Brar
Jagdish P. Sharma
Assignee (at issue)
Magnetic Peripherals, 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.