Granted Patent
Utility
US 5,295,458 · App. 07/997,782
Steam line plug support tool
Inventor:
Bengt I. Baversten
Patented Case
View Patent ↗
Granted: Mar 22, 1994
Filed: Dec 29, 1992
Inventor
Bengt I. Baversten
Assignee (at issue)
Combustion Engineering, 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.