Granted Patent
Utility
US 6,077,903 · App. 09/076,289
Continuous process for producing rubbery polymer
Inventor:
Hung Dang Ngoc
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: May 12, 1998
Inventor
Hung Dang Ngoc
Assignee (at issue)
THE GOODYEAR TIRE & RUBBER 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.