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

David J. Lipniarski

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Blow molded articles and method of making

Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support
Patent

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Circular interconnect

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Reexamination Certificate

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Control barrier with rotatable legs

Road structure – process – or apparatus – Traffic steering device or barrier
Reexamination Certificate

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Gate

Building units and construction elements – Prefabricated unit – Closure
Patent

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Indented female blow-molded connector and male connector and...

Buckles – buttons – clasps – etc. – Trim molding fastener – Plastic type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1063706

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