Granted Patent
Utility
US 6,062,239 · App. 09/108,162
Cross flow centrifugal processor
Inventor:
Daniel P. Bexten
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Jun 30, 1998
Inventor
Daniel P. Bexten
Assignee (at issue)
Semitool, 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.