Granted Patent
Utility
US 5,320,161 · App. 07/929,983
Gelled formaldehyde transport method
Inventor:
Bruce Alan Iiams
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Aug 14, 1992
Inventor
Bruce Alan Iiams
Assignee (at issue)
Atlantic Richfield 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.