Granted Patent
Utility
US 6,646,027 · App. 10/064,645
High modulus polyether sulfone compositions with improved impact
Inventor:
Robert R. Gallucci
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Aug 2, 2002
Inventor
Robert R. Gallucci
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.