Granted Patent
Utility
US 4,416,324 · App. 06/250,973
Vehicle temperature control apparatus
Inventor:
Shinji Sutoh
Patented Case
View Patent ↗
Granted: Nov 22, 1983
Filed: Apr 3, 1981
Inventor
Shinji Sutoh
Assignee (at issue)
Diesel Kiki Co., Ltd.
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.