Granted Patent
Utility
US 6,635,710 · App. 09/208,356
Manufacturing method for polycarbonate
Inventors:
Kiyoshi Kono, Kazutoyo Uno, Satoru Minami, Tomoaki Shimoda
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Dec 10, 1998
Inventors
Kiyoshi Kono
Kazutoyo Uno
Satoru Minami
Tomoaki Shimoda
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.