Granted Patent
Utility
US 6,232,429 · App. 09/431,278
Method for making polyester carbonates
Inventors:
Timothy Edward Banach, Gary Charles Davis, Bill Kengliem Lui
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Nov 1, 1999
Inventors
Timothy Edward Banach
Gary Charles Davis
Bill Kengliem Lui
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.