4. Building units and construction elements
  5. Architectural stock material
  6. Construction block or brick type

Larry D. Nelson

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Interlockable roof pipe support block

Building units and construction elements – Architectural stock material – Construction block or brick type
Patent

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Roof pipe support block

Building units and construction elements – Architectural stock material – Construction block or brick type
Patent

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Venturi apparatus

Gas and liquid contact apparatus – Contact devices – Injector type
Reexamination Certificate

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Venturi apparatus

Gas and liquid contact apparatus – Contact devices – Injector type
Reexamination Certificate

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Welders glove

Apparel – Hand or arm coverings – Gloves
Patent

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Profile ID: LFUS-PAI-P-1092393

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