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US3002592A
|
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Hinge and metallic frame construction
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US3028620A
|
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Hydraulic door closer
|
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US2973986A
|
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Door latch construction
|
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US2913757A
|
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Pneumatic door closer device
|
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US2932847A
|
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Pneumatic door closer device
|
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US2805740A
|
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Door and hinge construction
|
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US2796272A
|
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Door latching mechanism
|
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US2726533A
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Door latch
|
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US2753587A
|
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Stop for pneumatic door check
|
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US2710535A
|
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Push-pull door latch with lock
|
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US2726745A
|
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Hinge mounting for metallic door frames, window frames and the like
|
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US2646589A
|
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Lubricating means for pneumatic door checks, closers, and the like
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US2673072A
|
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Wire fence
|
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US2681468A
|
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Door check
|
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US2594582A
|
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Spring latch
|
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US2583391A
|
|
Resilient strike plate
|
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US2604344A
|
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Door latch
|
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US2551850A
|
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Sash lift
|
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US2402772A
|
|
Window fastener
|
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US2339517A
|
|
Window fastener
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