Granted Patent
Utility
US 6,183,019 · App. 09/039,378
Cryogenic fluid conduit coupling device
Inventor:
Donald R. Owen
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Mar 16, 1998
Inventor
Donald R. Owen
Assignee (at issue)
Life Sciences, LLC
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.