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US3076500A
|
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Slats for rolling metal doors
|
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US3188698A
|
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Safety device for vertically movable doors
|
|
US3076499A
|
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Rolling metal door
|
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US2946377A
|
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Temperature-operated rolling steel doors
|
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US2898988A
|
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Rolling metal grille to serve as a closure device for a building
|
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US2481037A
|
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Multiple torsion spring
|
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US2530629A
|
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Door operating mechanism
|
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US2059833A
|
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Automatic safety overhead door closer
|
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US2114198A
|
|
Automatic door elevating control
|
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US2042084A
|
|
Automatic door guiding mechanism
|
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US1974670A
|
|
Dual control wardrobe
|
|
US1970028A
|
|
Wardrobe
|
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US1822768A
|
|
Folding partition
|
|
US1801911A
|
|
Venetian blind
|
|
US1798869A
|
|
Venetian blind
|
|
US1822767A
|
|
Door movement
|
|
US1776119A
|
|
Rolling-door-curtain mounting
|
|
US1801912A
|
|
Metallic venetian blind
|
|
US1808455A
|
|
Venetian blind
|
|
US1805238A
|
|
Venetian blind
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