Granted Patent
Utility
US 4,929,339 · App. 06/784,950
Method for extended conditioning of delayed coke
Inventors:
John Daniel Elliott, Robert DeBiase
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Oct 7, 1985
Inventors
John Daniel Elliott
Robert DeBiase
Assignee (at issue)
Foster Wheeler USA Corporation
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.