Granted Patent
Utility
US 5,219,150 · App. 07/774,009
Fluid jack for a heat exchanger
Inventors:
Eugene S. Denysenko, Guy T. Thompson
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Oct 8, 1991
Inventors
Eugene S. Denysenko
Guy T. Thompson
Assignee (at issue)
Deltak 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.