Granted Patent
Utility
US 4,550,775 · App. 06/544,028
Compressor intercooler
Inventors:
John C. Edwards, Russell A. Ford
Patented Case
View Patent ↗
Granted: Nov 5, 1985
Filed: Oct 21, 1983
Inventors
John C. Edwards
Russell A. Ford
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.