Granted Patent
Utility
US 5,785,808 · App. 08/538,014
Heat exchanger with pressure controlling restricter
Inventors:
John H. Litschert, II, Bruce D. Sterrett
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Oct 2, 1995
Inventors
John H. Litschert, II
Bruce D. Sterrett
Assignee (at issue)
LCI Corporation
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.