Granted Patent
Utility
US 5,230,419 · App. 07/857,227
Remotely positionable material extraction device
Inventor:
Julian W. F. Millard
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Mar 25, 1992
Inventor
Julian W. F. Millard
Assignee (at issue)
Spar Aerospace Limited
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.