Granted Patent
Utility
US 5,872,622 · App. 08/888,736
Condensation nucleus counter having vapor stabilization and working fluid recovery
Inventors:
Frederic Schildmeyer, Brian J. Shahan
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Jul 7, 1997
Inventors
Frederic Schildmeyer
Brian J. Shahan
Assignee (at issue)
Met One, 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.