Granted Patent
Utility
US 4,911,244 · App. 07/373,584
Marine casing suspension apparatus
Inventor:
Joseph H. Hynes
Patented Case
View Patent ↗
Granted: Mar 27, 1990
Filed: Jun 30, 1989
Inventor
Joseph H. Hynes
Assignee (at issue)
Cameron Iron Works USA, Inc.
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.