Granted Patent
Utility
US 4,378,979 · App. 06/310,128
Method and apparatus for purging and isolating a filter compartment within a baghouse installation
Inventor:
S. Michael Dunseith
Patented Case
View Patent ↗
Granted: Apr 5, 1983
Filed: Oct 9, 1981
Inventor
S. Michael Dunseith
Assignee (at issue)
Allis-Chalmers 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.