Granted Patent
Utility
US 6,113,745 · App. 09/100,198
Coke drum system with movable floor
Inventors:
Charles Maitland, Bruce Kerr, Samuel A. Martin, Michael B. Knowles, Leslie P. Antalffy
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Jun 18, 1998
Inventors
Charles Maitland
Bruce Kerr
Samuel A. Martin
Michael B. Knowles
Leslie P. Antalffy
Assignee (at issue)
Fluor 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.