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US1072175A
|
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Deflector for gravity-conveyers.
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US1074387A
|
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Combined tray-conveyer and spiral chute.
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US1047309A
|
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Switch for gravity-conveyers.
|
|
US946880A
|
|
Package-conveyer.
|
|
US1014262A
|
|
Spiral blade for gravity-conveyers.
|
|
US979711A
|
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Gravity-conveyer having spiral blade of varying pitch.
|
|
US1069036A
|
|
Deflector for gravity-conveyers.
|
|
US992910A
|
|
Gravity-roller for gravity-conveyers.
|
|
US961804A
|
|
Multiple gravity conveyer.
|
|
US927176A
|
|
Deflector for gravity-conveyers.
|
|
US996944A
|
|
Switch for gravity-conveyers.
|
|
US1011253A
|
|
Shelf for spiral gravity-conveyers.
|
|
US848774A
|
|
Combined conveyer and staircase.
|
|
US852460A
|
|
Combination door for conveyers.
|
|
US849340A
|
|
Combined conveyer and staircase.
|
|
US833251A
|
|
Gravity-conveyer.
|
|
US817278A
|
|
Gravity-conveyer.
|
|
US826613A
|
|
Combined chute and gravity conveyer.
|
|
US852459A
|
|
Door for conveyers.
|
|
US833250A
|
|
Interlocking doors for conveyers.
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