Granted Patent
Utility
US 4,871,011 · App. 07/180,566
Air-conditioning equipment for vehicle
Inventors:
Tadahiro Takahashi, Shinichi Ooi, Masami Takemasa
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: May 24, 1988
Inventors
Tadahiro Takahashi
Shinichi Ooi
Masami Takemasa
Assignee (at issue)
Diesel Kiki K.K.
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.