Granted Patent
Utility
US 6,068,735 · App. 09/017,024
Dust-controlling apparatus, with a water curtain device, for a paper manufacturing machine
Inventor:
Paul Marchal
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Feb 2, 1998
Inventor
Paul Marchal
Assignee (at issue)
Fort James France
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.