William E. Brewer

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Chemical sample concentrating device

Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent

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Controlled density fill material containing fly ash

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
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Method of backfilling

Compositions: coating or plastic – Coating or plastic compositions – Alkali metal silicate containing
Patent

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Method of bedding a conduit using controlled density fill materi

Patent

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Method of building embankments and structure supports of backfil

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Profile ID: LFUS-PAI-P-712377

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