Granted Patent
Utility
US 6,086,828 · App. 09/171,874
Heat exchanger efficiency control by differential temperature
Inventor:
William L. Thompson
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Oct 27, 1998
Inventor
William L. Thompson
Assignee (at issue)
MegTec Systems, 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.