Granted Patent
Utility
US 6,193,471 · App. 09/345,072
Pneumatic control of formation and transport of small volume liquid samples
Inventor:
Carlton H. Paul
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Jun 30, 1999
Inventor
Carlton H. Paul
Assignee (at issue)
PerSeptive Biosystems 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.