Granted Patent
Utility
US 5,323,529 · App. 07/988,456
Heat exchanger bundle extractor assembly and method
Inventor:
Jim E. Amuny
Patented Case
View Patent ↗
Granted: Jun 28, 1994
Filed: Dec 10, 1992
Inventor
Jim E. Amuny
Assignee (at issue)
American Mechanical Services, 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.