Granted Patent
Utility
US 5,308,485 · App. 08/005,033
Integrated collar, filter bag, cage and locking ring assembly for baghouses
Inventors:
James W. Griffin, James A. Lively, Godfrey J. Davies
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: Jan 15, 1993
Inventors
James W. Griffin
James A. Lively
Godfrey J. Davies
Assignee (at issue)
Hosokawa Micron International 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.