Granted Patent
Utility
US 5,478,464 · App. 08/297,539
Apparatus for the biodegradation of organic contaminants in a mass of particulate solids
Inventor:
Benoit Cyr
Patented Case
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Granted: Dec 26, 1995
Filed: Aug 31, 1994
Inventor
Benoit Cyr
Assignee (at issue)
Biogenie 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.