Granted Patent
Utility
US 5,409,056 · App. 07/882,181
U-flow tubing for evaporators with bump arrangement for optimized forced convection heat exchange
Inventors:
James E. Farry, Jr., Don C. Corser, Elroy D. Powley
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: May 11, 1992
Inventors
James E. Farry, Jr.
Don C. Corser
Elroy D. Powley
Assignee (at issue)
General Motors LLC
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.