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Patent applications and USPTO patent grants for Westrum; Thorbjorn.The latest application filed is for "method and reactor for biological purification of waste water.".
Patent | Date |
---|---|
Method and reactor for biological purification of waste water Grant 9,758,402 - Westrum , et al. September 12, 2 | 2017-09-12 |
Method And Reactor For Biological Purification Of Waste Water. App 20120067818 - Westrum; Thorbjorn ;   et al. | 2012-03-22 |
Device for biological purification of waste water Grant D619,201 - Westrum July 6, 2 | 2010-07-06 |
Device for biological purification of waste water Grant D611,568 - Westrum March 9, 2 | 2010-03-09 |
Apparatus For Filling And, If Desired, Emptying Inert Gas Poor In Oxygen Into Or From Holds In Ships, Respectively Grant 3,776,164 - Westrum December 4, 1 | 1973-12-04 |
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