US1749220A
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Stereoscope
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US1553061A
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Airship
|
US1556210A
|
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Airship
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US1673481A
|
|
Airship hull
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US1623951A
|
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Airship frame
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US1502417A
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Wire and rope clamp
|
US1486623A
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Anchoring means for airships
|
US1614519A
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Airship with structural compensating surfaces
|
US1553586A
|
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Landing and starting carriage for airships
|
US1503293A
|
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Skeleton framework construction for airships and the like
|
US1521590A
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Joint for frames for airships
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US1720928A
|
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Airship truck
|
US1503140A
|
|
Airship gondola
|
US1553707A
|
|
Airship motor car
|
US1508227A
|
|
Aircraft shed
|
US1651754A
|
|
Auxiliary device for assembling airships
|
US1526198A
|
|
Aircraft structure
|
US1474529A
|
|
Aircraft car
|
US1522946A
|
|
Ballast float for aircraft
|
US1439506A
|
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Silencer of internal-combustion engines
|