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Door opener assist device

Movable or removable closures – With means mounting closure for swinging – With biasing means
Reexamination Certificate

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Door opener for bus and the like

Movable or removable closures – Closures interconnected for concurrent movement – Closures mounted for swinging
Patent

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Door opening and closing apparatus

Movable or removable closures – Mounted for optional movements – On alternative axes
Patent

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Door opening and closing mechanism

Movable or removable closures – With operator for movably mounted closure – Coaxial of closure pivot
Patent

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Door opening and closing mechanism

Movable or removable closures – Closures interconnected for concurrent movement – Closures mounted for swinging
Patent

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Door opening and closing mechanism with dual pivot axis for...

Movable or removable closures – Mounted for optional movements – On alternative axes
Reexamination Certificate

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Door opening cable system with cable slack take-up

Movable or removable closures – With operator for movably mounted closure – Operator drives closure along guide
Patent

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Door opening mechanism

Movable or removable closures – With operator for movably mounted closure – Coaxial of closure pivot
Patent

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Door opening/closing apparatus

Movable or removable closures – With operator for movably mounted closure – Operator drives closure along guide
Patent

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Door opening/closing detector and tool used for the same

Movable or removable closures – Closure condition signal or indicator
Patent

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Door opening/closing device

Movable or removable closures – With operator for movably mounted closure – Coaxial of closure pivot
Reexamination Certificate

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Door opening/closing device

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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Door operating assembly

Movable or removable closures – Closures interconnected for concurrent movement – Closures mounted for swinging
Patent

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Door operating device for a slide door unit

Movable or removable closures – Mounted for multidirectional or oblique movement – Initial or terminal movement transverse to sliding movement...
Patent

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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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Door operator

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Door operator

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Door operator apparatus

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Door operator system

Movable or removable closures – Up-and-over type; e.g. – moves from vertical to withdrawn... – With operator
Reexamination Certificate

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Door operator system

Movable or removable closures – Up-and-over type; e.g. – moves from vertical to withdrawn... – With operator
Reexamination Certificate

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