4. Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
  5. Checks and closers
  6. Liquid

Volker Bienek

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Automatic door closer and process for assembly of same

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Checks and closers – Liquid
Patent

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Door closer

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Checks and closers – Liquid
Patent

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Door operator, in particular swing door operator

Movable or removable closures – With operator for movably mounted closure – Operating lever or link and closure swing about parallel axes
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1356311

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