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US3948594A
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Ceramic refractory setter
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US3257679A
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Chalkboard cleaning device
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GB1057309A
|
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Improvements in or relating to stopper rod assemblies
|
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US3262673A
|
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Stopper rod assembly
|
|
GB1038048A
|
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Improvements in or relating to stopper rod assemblies for the nozzles of metal-pouring ladles
|
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DE1247564B
|
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Stopper rod with stopper for bottom drainage of pouring ladles
|
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US3318621A
|
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Stopper assembly with sections having a series of concentric undulating interfitting ribs and grooves
|
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US3153266A
|
|
Stopper rod assemblies
|
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US3040400A
|
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Stopper rod assemblies
|
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US3089584A
|
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Tray for water color paint box
|
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US2988791A
|
|
Stopper rod assemblies
|
|
US2969568A
|
|
Stopper rod assemblies
|
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US2987787A
|
|
Stopper rod assemblies
|
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US2842791A
|
|
Blackboard eraser
|
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US2957379A
|
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Strip cutting mechanism
|
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GB798385A
|
|
Improvements in pencil-like articles
|
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US2898824A
|
|
Method of and apparatus for winding a sheath around a core
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US2706934A
|
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Tear string applying means
|
|
US2784164A
|
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Leads or crayons and method of making the same
|
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GB694760A
|
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Machine for wrapping sheet material about a core
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