Granted Patent
Utility
US 6,216,773 · App. 09/480,920
Plate type heat exchange
Inventor:
Steven R. Falta
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Jan 11, 2000
Inventor
Steven R. Falta
Assignee (at issue)
Delphi Technologies
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.