US1273886A
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Portable conveyer.
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US1253945A
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Concrete-mixing machine.
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US1287648A
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Grading, separating, and loading machine.
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US1287711A
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Loading and measuring apparatus.
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US1298743A
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Rotary concrete-mixer.
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US1264097A
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Bar-bender.
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US1328635A
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Clutch and brake control mechanism
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US1370497A
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Concrete-distributing machine
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US1221756A
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Hand-operated chute.
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US1338761A
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Timing mechanism for intermittently-fed machines
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US1178326A
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Distributing-chute.
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US1177418A
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Concrete-mixer.
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US1227157A
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Conveyer apparatus.
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US1185416A
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Distributing mechanism for concrete-mixers.
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US1103788A
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Control mechanism for concrete-mixers.
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US1107171A
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Charging device for concrete-mixers.
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US1223185A
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Concrete-mixer-loading bucket.
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US1126487A
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Concrete-mixer.
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US1113661A
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Stop mechanism for concrete-distributers.
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US1149922A
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Water-measuring device.
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