Granted Patent
Utility
US 6,548,623 · App. 09/911,443
Method of polycarbonate preparation
Inventors:
Daniel J. Brunelle, Patrick Joseph McCloskey, Paul Michael Smigelski, Jr., Timothy Brydon Burnell, Ganesh Kailasam
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Jul 24, 2001
Inventors
Daniel J. Brunelle
Patrick Joseph McCloskey
Paul Michael Smigelski, Jr.
Timothy Brydon Burnell
Ganesh Kailasam
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.