Granted Patent
Utility
US 5,552,121 · App. 08/296,605
Containment of heavy vapor clouds
Inventors:
J. Scott Buchanan, Mohsen N. Harandi, Frederick J. Krambeck, Klaus W. Schatz
Patented Case
View Patent ↗
Granted: Sep 3, 1996
Filed: Aug 29, 1994
Inventors
J. Scott Buchanan
Mohsen N. Harandi
Frederick J. Krambeck
Klaus W. Schatz
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.