Granted Patent
Utility
US 6,672,375 · App. 10/189,973
Fin tube heat exchanger with divergent tube rows
Inventors:
Glen F. Shippy, Jeffrey C. Marks, Allen E. Swaw
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Jul 2, 2002
Inventors
Glen F. Shippy
Jeffrey C. Marks
Allen E. Swaw
Assignee (at issue)
American Standard International 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.