Granted Patent
Utility
US 6,136,945 · App. 09/313,063
Method for quenching of polycarbonate and compositions prepared thereby
Inventor:
Raphael Mestanza
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: May 17, 1999
Inventor
Raphael Mestanza
Assignee (at issue)
General Electric Company
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.