Granted Patent
Utility
US 5,890,288 · App. 08/916,192
Method for making a heat exchanger tube
Inventors:
Eugene E. Rhodes, Greg Whitlow, Wen Fei Yu
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Aug 21, 1997
Inventors
Eugene E. Rhodes
Greg Whitlow
Wen Fei Yu
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.