Granted Patent
Utility
US 6,429,170 · App. 09/580,611
Sorbents for desulfurizing gasolines and diesel fuel
Inventor:
Glenn W. Dodwell
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: May 30, 2000
Inventor
Glenn W. Dodwell
Assignee (at issue)
Phillips Petroleum 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.