Granted Patent
Utility
US 5,265,983 · App. 07/889,929
Cascading pressure continuous blow bottle
Inventors:
Jerald M. Wennerstrom, Michael G. Radin
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Jun 2, 1992
Inventors
Jerald M. Wennerstrom
Michael G. Radin
Assignee (at issue)
The Babcock & Wilcox Company
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.