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US2169184A
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Grading and excavating machine
|
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US2111261A
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Apparatus for treating and laying concrete mix
|
|
US2136917A
|
|
Machine for treating concrete mix and laying and surfacing the same
|
|
US2134361A
|
|
Method of producing plastic concrete
|
|
US2134689A
|
|
Machine for spreading and finishing plastic pavements
|
|
US1648477A
|
|
Expressing apparatus
|
|
US1387700A
|
|
Expressing-press
|
|
US1355136A
|
|
Press-plate
|
|
US1327093A
|
|
Expressing apparatus
|
|
US1256681A
|
|
Pneumatic method of ventilating cotton-seed.
|
|
US1256680A
|
|
Press-plate.
|
|
US1270401A
|
|
Scaffold.
|
|
US1256678A
|
|
Press-plate.
|
|
US1256679A
|
|
Press-plate.
|
|
US1256677A
|
|
Ventilating means for seed-houses.
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US1202824A
|
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Machine for forming oil-cakes.
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US1219816A
|
|
Grain-drier.
|
|
US1256676A
|
|
Press-plate.
|
|
US1158797A
|
|
Oil-expressing apparatus.
|
|
US1121913A
|
|
Method of treating cotton-seed.
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