Granted Patent
Utility
US 6,257,801 · App. 09/356,723
Riser arrangement for offshore vessel and method for installation
Inventors:
Ron L. Kelm, Charles O. Etheridge, Yonghui Liu
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Jul 20, 1999
Inventors
Ron L. Kelm
Charles O. Etheridge
Yonghui Liu
Assignee (at issue)
FMC 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.