Granted Patent
Utility
US 6,600,004 · App. 10/118,634
Method of preparing polyestercarbonates
Inventors:
Patrick Joseph McCloskey, Paul Michael Smigelski, Jr.
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Apr 10, 2002
Inventors
Patrick Joseph McCloskey
Paul Michael Smigelski, Jr.
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.