Granted Patent
Utility
US 4,776,202 · App. 07/096,185
Apparatus and methods for testing surface properties of a material
Inventors:
Amarjit S. Brar, Jagdish P. Sharma, Suryanarayana Kaja
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Sep 11, 1987
Inventors
Amarjit S. Brar
Jagdish P. Sharma
Suryanarayana Kaja
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.