Granted Patent
Utility
US 5,645,124 · App. 08/692,032
Falling film evaporator with refrigerant distribution system
Inventors:
Jon P. Hartfield, Duane F. Sanborn
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Aug 2, 1996
Inventors
Jon P. Hartfield
Duane F. Sanborn
Assignee (at issue)
American Standard 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.