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William J. Donohue
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Barrington, RI, US
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for aerating a surface layer in a stratified l...
Patent number
7,267,766
Issue date
Sep 11, 2007
Pro-Act Microbial, Inc.
William R. Campion
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
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Patent Application
Microbial manure treatment system
Publication number
20060027496
Publication date
Feb 9, 2006
William R. Campion
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and apparatus for aerating a surface layer in a stratified l...
Publication number
20050087894
Publication date
Apr 28, 2005
William R. Campion
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL