Granted Patent
Utility
US 4,653,466 · App. 06/456,173
Apparatus and method for removing recuperative condensate
Inventors:
Robert DeHaan, James H. Raudabaugh
Patented Case
View Patent ↗
Granted: Mar 31, 1987
Filed: Jan 6, 1983
Inventors
Robert DeHaan
James H. Raudabaugh
Assignee (at issue)
Amana Refrigeration, 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.