Granted Patent
Utility
US 6,713,592 · App. 10/064,323
Bis-hydroxyphenyl menthane polyesters and polyester/polycarbonates and methods for preparing same
Inventor:
Zhaohui Su
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Jul 2, 2002
Inventor
Zhaohui Su
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.