Granted Patent
Utility
US 5,565,515 · App. 08/584,717
Copolycarbonate compositions having improved surface appearance
Inventors:
Kenichi Ishiwa, Hideyuki Itoi
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Jan 11, 1996
Inventors
Kenichi Ishiwa
Hideyuki Itoi
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.