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US2758436A
|
|
Bobbin marker
|
|
US1423054A
|
|
Tractor-wheel weight
|
|
US1294209A
|
|
Process for producing solid castings and their products.
|
|
US1262720A
|
|
Molding apparatus
|
|
US1262719A
|
|
Method for making ingot-molds and like tubular castings.
|
|
US1299522A
|
|
Process for drying sand molds.
|
|
US1242747A
|
|
Expansible pattern for tubular castings.
|
|
US1221117A
|
|
Flask for ingot-molds.
|
|
US1221116A
|
|
Collapsible core for ingot-molds.
|
|
US1156449A
|
|
Molding apparatus.
|
|
US1154079A
|
|
Closure for joints of sectional collapsible cores.
|
|
US1151229A
|
|
Molding apparatus for ingot-molds.
|
|
US1119908A
|
|
Saw-clamp.
|
|
CA140012A
|
|
Core
|
|
US1024755A
|
|
Wheel-casting machine.
|
|
US1018090A
|
|
Apparatus for casting furnace-doors.
|
|
US997027A
|
|
Collapsible core.
|
|
US847857A
|
|
Paper-making machine.
|
|
US846267A
|
|
Music-sheet.
|
|
US889995A
|
|
Rotary engine.
|
