Granted Patent
Utility
US 4,942,739 · App. 07/378,379
Mixing chamber for an air-conditioning system
Inventors:
Akira Uda, Yoshio Yoshida, Makoto Harada, Masaaki Sato
Patented Case
View Patent ↗
Granted: Jul 24, 1990
Filed: Jul 11, 1989
Inventors
Akira Uda
Yoshio Yoshida
Makoto Harada
Masaaki Sato
Assignees (at issue)
KAWASAKI JUKOGYO KABUSHIKI KAISHA
Japan Aircraft Development Corporation
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.