Granted Patent
Utility
US 5,246,337 · App. 07/866,133
Heat exchanger with hydrostatic bearing return flow guide
Inventor:
Clark S. Boster
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Apr 9, 1992
Inventor
Clark S. Boster
Assignee (at issue)
BW/IP 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.