Granted Patent
Utility
US 4,375,754 · App. 06/280,733
Vehicle temperature control apparatus
Inventor:
Eiji Okura
Patented Case
View Patent ↗
Granted: Mar 8, 1983
Filed: Jul 6, 1981
Inventor
Eiji Okura
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.