Granted Patent
Utility
US 6,050,009 · App. 08/964,361
Steerable underwater plow
Inventors:
James E. Adamson, Jonathan B. Machin
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Nov 4, 1997
Inventors
James E. Adamson
Jonathan B. Machin
Assignee (at issue)
Coflexip, SA
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.