Granted Patent
Utility
US 6,573,416 · App. 09/444,426
Hydrocarbon disproportionation
Inventor:
Bruce B. Randolph
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Nov 19, 1999
Inventor
Bruce B. Randolph
Assignee (at issue)
ConocoPhillips 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.