|
US6276238B1
|
|
Open top rotating vise
|
|
US5727432A
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|
Manually operable rod holder
|
|
US3640354A
|
|
Hollow-stem auger head with seal
|
|
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|
|
Vehicle-mounted earth drill with detachable tower
|
|
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|
|
Kelly bar and mounting means therefor
|
|
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|
|
Work operator for welding mechanism
|
|
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|
|
Welding mechanism
|
|
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|
|
Handle coupling socket
|
|
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|
|
Mining drill
|
|
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|
|
Drill bit
|
|
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|
|
Mining machine bit
|
|
US2372612A
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|
Mining drill and bit
|
|
US2088759A
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|
Mining drill
|
|
US2109613A
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Mining drill and bit
|
|
US2237133A
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|
Mining drill and bit
|
|
US2010510A
|
|
Mining drill
|
|
US1897331A
|
|
Mining machine bit and bit holder
|
|
US2010509A
|
|
Mining drill
|
|
US1897785A
|
|
Drill for mining purposes
|
|
CA908150A
|
|
Vehicle-mounted earth drill with detachable tower
|
