Granted Patent
Utility
US 5,726,360 · App. 08/671,171
Fluid sampling apparatus having a universal base
Inventor:
Richard Keefer
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Jun 26, 1996
Inventor
Richard Keefer
Assignee (at issue)
Isco, 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.