Granted Patent
Utility
US 6,330,343 · App. 09/258,859
Method for measuring coke quality by digital quantification of high intensity reflectivity
Inventors:
Paige L. Johnson, Hooshang Jozavi
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Feb 26, 1999
Inventors
Paige L. Johnson
Hooshang Jozavi
Assignee (at issue)
Conoco Inc.
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.