Granted Patent
Utility
US 5,335,860 · App. 08/001,815
Rotary spray chamber device for conditioning aerosols
Inventors:
Gary M. Hieftje, Min-Wei Wu
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Jan 8, 1993
Inventors
Gary M. Hieftje
Min-Wei Wu
Assignee (at issue)
THE TRUSTEES OF INDIANA UNIVERSITY
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.