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Sammy K. Mickelson
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Bettendorf, IA, US
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last 30 patents
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Patent Grant
Oxygen concentrator used in home health care
Patent number
D412577
Issue date
Aug 3, 1999
Litton Systems, Inc.
Sammy K. Mickelson
D24 - Medical and laboratory equipment
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Patent Grant
Modular, stackable pressure swing absorption concentrator
Patent number
5,549,736
Issue date
Aug 27, 1996
Litton Systems, Inc.
Kelly M. Coffield
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL