Granted Patent
Utility
US 5,738,168 · App. 08/569,545
Fin tube heat exchanger
Inventors:
Ramchandra L. Patel, Shyr-Ing Hu
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Dec 8, 1995
Inventors
Ramchandra L. Patel
Shyr-Ing Hu
Assignee (at issue)
Ford Motor Company
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.