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US2747938A
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Couplings for sprinklers and nozzles
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US2796881A
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Faucets with removable plungers
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US2693640A
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Hair-cutting and trimming device
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US2646994A
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Valved pipe coupling
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US2673750A
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Coupling
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US2689138A
|
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Coupling
|
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US2689143A
|
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Coupling
|
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US2648548A
|
|
Valved pipe coupling
|
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US2568516A
|
|
Coupling
|
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US2643140A
|
|
Coupling
|
|
US2553680A
|
|
Valved pipe coupling
|
|
US2545796A
|
|
Quick-release coupling for highpressure fluid lines
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US2536702A
|
|
Coupling
|
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US2579972A
|
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Testing device for comparatively short tubes
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US2646998A
|
|
Coupling device for testing coils and the like
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US2473223A
|
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Combined valve and coupling
|
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US2638916A
|
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Fueling device
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US2568515A
|
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Combined nozzle and coupling member
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US2461700A
|
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Sealed coupling
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US2428638A
|
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Coupling
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