Granted Patent
Utility
US 5,378,267 · App. 08/043,264
Apparatus for air stripping contaminants from water
Inventors:
David E. Bros, Sawang Notthakun
Patented Case
View Patent ↗
Granted: Jan 3, 1995
Filed: Apr 6, 1993
Inventors
David E. Bros
Sawang Notthakun
Assignee (at issue)
Carbonair Environmental Services, 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.