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US1713651A
|
|
Triple-valve attachment
|
|
US1720784A
|
|
Bolt centering, facing, and pointing machine
|
|
US1639028A
|
|
Cutter head
|
|
US1646954A
|
|
Machine for threading or turning bolt blanks or the like
|
|
US1558441A
|
|
Bolt machine
|
|
US1771713A
|
|
Machine for turning or threading bolt blanks and the like
|
|
US1716861A
|
|
Surfacing machine
|
|
US1515743A
|
|
Surfacing machine
|
|
US1613181A
|
|
Surfacing machine
|
|
US1482390A
|
|
Feed mechanism for bolt-turning and other machines
|
|
US1458363A
|
|
Blade-adjusting mechanism for cutter heads
|
|
US1454983A
|
|
Bolt-turning machine
|
|
US1448360A
|
|
Bolt machine
|
|
US1456101A
|
|
Turning and threading machine
|
|
US1397849A
|
|
Sheet spacing and punching machine
|
|
US1380047A
|
|
Bolt-making machine
|
|
US1361572A
|
|
Bolt-machine
|
|
US1361571A
|
|
Chuck for staybolt and other machines
|
|
US1342536A
|
|
Machine for making staybolts and the like
|
|
US1367951A
|
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Machine for threading staybolts or the like
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