Granted Patent
Utility
US 6,071,422 · App. 09/084,132
Particle separation method and apparatus
Inventors:
Dennis J. Hlavinka, Frank Corbin, III
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: May 26, 1998
Inventors
Dennis J. Hlavinka
Frank Corbin, III
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.