Granted Patent
Utility
US 6,576,739 · App. 09/735,871
Method of polycarbonate preparation
Inventors:
Peter D. Phelps, Elliott West Shanklin, Daniel J. Brunelle
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Dec 14, 2000
Inventors
Peter D. Phelps
Elliott West Shanklin
Daniel J. Brunelle
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.