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US2934842A
|
|
Digging teeth for excavating dippers, etc.
|
|
US2891333A
|
|
Digging teeth for excavating, dippers, etc.
|
|
US2990633A
|
|
Dipper teeth
|
|
US2689418A
|
|
Excavating bucket construction
|
|
US2492905A
|
|
Drag bucket
|
|
US2213925A
|
|
Dipper tooth
|
|
US2005016A
|
|
Digging tooth
|
|
US1959847A
|
|
Dipper construction and the like
|
|
US1921491A
|
|
Power shovel dipper
|
|
US1925420A
|
|
Dipper tooth
|
|
US1796737A
|
|
Dipper tooth
|
|
US1753392A
|
|
Excavating tooth
|
|
US1708245A
|
|
Automatic switch operator
|
|
US1693416A
|
|
Rocker bearing
|
|
US1584052A
|
|
Dipper tooth
|
|
CA605675A
|
|
Digging teeth for excavating dippers, etc.
|
|
CA632829A
|
|
Digging teeth for excavating dippers
|
|
CA475297A
|
|
Digging teeth for excavating apparatus
|
|
CA318018A
|
|
Excavating tooth
|
