Granted Patent
Utility
US 6,486,241 · App. 09/392,683
Polycarbonate resin composition
Inventor:
Yuzuru Sawano
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Sep 9, 1999
Inventor
Yuzuru Sawano
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.