Granted Patent
Utility
US 6,833,422 · App. 10/223,037
Method of preparing transparent silicone-containing copolycarbonates
Inventors:
James Manio Silva, David Michel Dardaris, Gary Charles Davis
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Aug 16, 2002
Inventors
James Manio Silva
David Michel Dardaris
Gary Charles Davis
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.