Granted Patent
Utility
US 4,439,211 · App. 06/343,729
Suppression of food dusts and the like
Inventors:
Donald Anderson, Glenn E. Hall, Kevin Foley
Patented Case
View Patent ↗
Granted: Mar 27, 1984
Filed: Jan 29, 1982
Inventors
Donald Anderson
Glenn E. Hall
Kevin Foley
Assignee (at issue)
The Andersons 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.