Granted Patent
Utility
US 5,301,686 · App. 07/938,407
Fluid sampling method
Inventor:
David P. Newman
Patented Case
View Patent ↗
Granted: Apr 12, 1994
Filed: Aug 31, 1992
Inventor
David P. Newman
Assignee (at issue)
Cobe Laboratories, 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.