Granted Patent
Utility
US 6,476,158 · App. 09/572,299
Process for colored polycarbonate-polyester compositions with improved weathering
Inventors:
William P. England, Robert R. Gallucci, Paul Hans, Patricia A. Hubbard, David Whalen
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: May 16, 2000
Inventors
William P. England
Robert R. Gallucci
Paul Hans
Patricia A. Hubbard
David Whalen
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.