Granted Patent
Utility
US 5,934,367 · App. 08/975,362
Heat exchanger
Inventors:
Toshiharu Shimmura, Tomohiro Chiba, Kazuki Hosoya
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Nov 20, 1997
Inventors
Toshiharu Shimmura
Tomohiro Chiba
Kazuki Hosoya
Assignee (at issue)
SANDEN 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.