Granted Patent
Utility
US 5,502,162 · App. 08/247,826
Method of treating structures including silicone materials
Inventor:
Ching-Ping Wong
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: May 23, 1994
Inventor
Ching-Ping Wong
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.