Granted Patent
Utility
US 4,284,152 · App. 06/090,391
Pump in core breaker carrier
Inventor:
James Adams
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Nov 1, 1979
Inventor
James Adams
Assignee (at issue)
Otis Engineering 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.