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Randall R. Thom
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Tualatin, OR, US
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Patents Grants
last 30 patents
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Patent Grant
Biological filter structures
Patent number
6,551,818
Issue date
Apr 22, 2003
Bio-Reaction Industries, LLC
William C. Stewart
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Biological filter apparatus
Patent number
6,479,276
Issue date
Nov 12, 2002
Bio-Reaction Industries, LLC
Randall R. Thom
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Patent Grant
Biological treatment of hazardous waste
Patent number
5,518,920
Issue date
May 21, 1996
Bio-Reaction Industries, Inc.
William C. Stewart
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Patents Applications
last 30 patents
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Patent Application
Biological filter structures
Publication number
20010053546
Publication date
Dec 20, 2001
William C. Stewart
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL