|
US2057939A
|
|
Crankshaft drilling machine
|
|
US1877278A
|
|
Beet topper and harvester
|
|
US1877560A
|
|
Vertical continuous milling machine
|
|
US1877277A
|
|
Vertical continuous drilling machine
|
|
US1670880A
|
|
Door hanger
|
|
US1653258A
|
|
Self-opening die for pipe-threading machines
|
|
US1637176A
|
|
Work feeding and clamping means for metal-working machines
|
|
US1704080A
|
|
Continuous boring and drilling machine
|
|
US1415530A
|
|
Feeding and clamping means for metal-working machines
|
|
US1545744A
|
|
Milling machine
|
|
US1366770A
|
|
Gearing
|
|
US1376861A
|
|
Universal duplex milling-machine
|
|
US1279286A
|
|
Duplex milling-machine.
|
|
US1213340A
|
|
Gas-engine.
|
|
US1113204A
|
|
Lubricating system for engines.
|
|
US1231572A
|
|
Valve mechanism.
|
|
US976051A
|
|
Milk extract of wild spikenard.
|
|
US797409A
|
|
Calipers.
|
|
US730882A
|
|
Automatic multispindle machine.
|
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CA249728A
|
|
Work feeding and clamping means for metal-working machines
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