Granted Patent
Utility
US 5,986,016 · App. 08/997,203
Polyetherimide resin compositions having improved ductility
Inventors:
Robert Puyenbroek, James Ross Fishburn
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Dec 23, 1997
Inventors
Robert Puyenbroek
James Ross Fishburn
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.