Granted Patent
Utility
US 5,553,607 · App. 08/425,010
Portable steam inhalator
Inventors:
Bernard Chiu, Randolph E. Maxwell, Stephen M. Gatchell, Jerald Bradley, John Longan, Rodney Jane
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Apr 17, 1995
Inventors
Bernard Chiu
Randolph E. Maxwell
Stephen M. Gatchell
Jerald Bradley
John Longan
Rodney Jane
Assignee (at issue)
Duracraft Corp.
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.