4. Building units and construction elements
  5. Prefabricated unit
  6. Underground service vault

Adam J. Koehler

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Liquid level gauge and improved float construction therefor

Measuring and testing – Liquid level or depth gauge – Float
Patent

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Liquid level gauge and spool lock therefor

Measuring and testing – Liquid level or depth gauge – Float
Reexamination Certificate

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Manhole cover

Building units and construction elements – Prefabricated unit – Underground service vault
Patent

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Manhole cover

Building units and construction elements – Prefabricated unit – Underground service vault
Patent

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Multiple movable carriages with multi-radius tracks and...

Metal deforming – With means to drive tool – With means to permit tool positioning
Reexamination Certificate

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Profile ID: LFUS-PAI-P-872804

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