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Jerome D. Phillips
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Wyoming, MN, US
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last 30 patents
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Patent Grant
Attenuator for use with respirators
Patent number
5,720,280
Issue date
Feb 24, 1998
Minnesota Mining and Manufacturing Company
Gerald V. Elstran
A62 - LIFE-SAVING FIRE-FIGHTING
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Patent Grant
Positive/negative air pressure adaptor for use with respirators
Patent number
5,592,935
Issue date
Jan 14, 1997
Minnesota Mining and Manufacturing Company
Gerald V. Elstran
A62 - LIFE-SAVING FIRE-FIGHTING