4. Building units and construction elements
  5. Prefabricated unit
  6. Finishing unit

William G. Roberts

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Double jamb mullion

Building units and construction elements – Prefabricated unit – Finishing unit
Design Patent

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Frame

Building units and construction elements – Prefabricated unit – Finishing unit
Design Patent

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Frame

Building units and construction elements – Prefabricated unit – Finishing unit
Design Patent

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Frame

Building units and construction elements – Prefabricated unit – Finishing unit
Design Patent

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Keeper rail

Building units and construction elements – Prefabricated unit – Finishing unit
Design Patent

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Profile ID: LFUS-PAI-P-2120537

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