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Robert Daniel Williams
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Monroe, NC, US
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Patents Grants
last 30 patents
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Patent Grant
Combined air-supplying/air-purifying system
Patent number
7,748,380
Issue date
Jul 6, 2010
STI Licensing Corporation
Jerry Allen Phifer
A62 - LIFE-SAVING FIRE-FIGHTING
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Patent Grant
Portable air-purifying system utilizing enclosed filters
Patent number
7,658,190
Issue date
Feb 9, 2010
STI Licensing Corp.
Jerry Allen Phifer
A62 - LIFE-SAVING FIRE-FIGHTING
Patents Applications
last 30 patents
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Patent Application
Articulating Support Assembly For A Self-Contained Breathing Apparatus
Publication number
20200238110
Publication date
Jul 30, 2020
3M INNOVATIVE PROPERTIES COMPANY
Darrill L. Plummer
A45 - HAND OR TRAVELLING ARTICLES