Granted Patent
Utility
US 4,825,941 · App. 07/077,815
Condenser for use in a car cooling system
Inventors:
Ryoichi Hoshino, Hironaka Sasaki, Takayuki Yasutake
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Jul 27, 1987
Inventors
Ryoichi Hoshino
Hironaka Sasaki
Takayuki Yasutake
Assignee (at issue)
Showa Aluminum 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.