Granted Patent
Utility
US 5,186,786 · App. 07/732,192
Method for determining the complete elimination of a thin layer on a non planar substrate
Inventors:
Jean Galvier, Philippe Gayet, Annie Tissier
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Jul 19, 1991
Inventors
Jean Galvier
Philippe Gayet
Annie Tissier
Assignee (at issue)
France Telecom/CNET
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.