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US3417952A
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Tripod lock for movie screen stand
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US3282545A
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Handle actuated tripod structure
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US3164349A
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Stand for portable movie screen
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US3190597A
|
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Portable movie screen device
|
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US3214121A
|
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Latch for movie screen casing
|
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US3182714A
|
|
Tensioner mechanism for a portable movie screen
|
|
US3191663A
|
|
Projection screen
|
|
US3003729A
|
|
Portable projection screen apparatus
|
|
US3022816A
|
|
Portable movie screen
|
|
US2917619A
|
|
Photographic light bar and carrying case
|
|
US2919094A
|
|
Leg lock for a stand
|
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US2886274A
|
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Portable stand
|
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US2870976A
|
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Core attachment for picture screens
|
|
US2822040A
|
|
Locking device for a picture screen
|
|
US2793687A
|
|
Movie screen stretching device
|
|
US1116049A
|
|
Hose-clamp.
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CA73543A
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Shoe holder
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