Granted Patent
Utility
US 5,202,301 · App. 07/441,034
Product/process/application for removal of mercury from liquid hydrocarbon
Inventor:
James D. McNamara
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Nov 22, 1989
Inventor
James D. McNamara
Assignee (at issue)
CALGON CARBON 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.