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US2236638A
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Block keyboard for musical instruction
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US1883438A
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Strand for making braided rugs and the like and the method of making
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US1870275A
|
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Seat pad or cushion
|
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US1708166A
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Material for use in making gears and similar objects
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US1694091A
|
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Sectional induction coil
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US1582722A
|
|
Precast plaster-wall section and means for packing same
|
|
US1582721A
|
|
Precast plaster-wall section
|
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CA187352A
|
|
Waterproof fabric
|
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CA170281A
|
|
Electrical connectors
|
|
US1231687A
|
|
Waterproof fabric and coating.
|
|
US1170034A
|
|
Electrical connector.
|
|
US1112960A
|
|
Apparatus for striping surfaces.
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|
CA332772A
|
|
Anti-glare device
|
|
CA23895A
|
|
Car-coupling
|
|
CA27581A
|
|
Revolving target
|
|
CA20651A
|
|
Car-coupling
|
|
CA291848A
|
|
Gear manufacture
|
