Granted Patent
Utility
US 5,679,580 · App. 08/528,131
Rapid evaporation method for analysis
Inventors:
Carroll Edward Ball, Paul G. Gorman, Michael F. Fischer, Brian R. Cage, David Steele
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Sep 14, 1995
Inventors
Carroll Edward Ball
Paul G. Gorman
Michael F. Fischer
Brian R. Cage
David Steele
Assignee (at issue)
Midwest Research Institute, 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.