Granted Patent
Utility
US 6,401,809 · App. 09/458,416
Continuous combination fin for a heat exchanger
Inventors:
Chao Zhang, Shyr-Ing Hu, Henry Mehraban, Ramez S. Abdulnour
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Dec 10, 1999
Inventors
Chao Zhang
Shyr-Ing Hu
Henry Mehraban
Ramez S. Abdulnour
Assignee (at issue)
Visteon Global Technologies, Inc.
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.