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US2340671A
|
|
Injector
|
|
US2303270A
|
|
Spindle speed control mechanism for machine tools
|
|
US2369151A
|
|
Injector
|
|
US2269318A
|
|
Injector
|
|
US2248249A
|
|
Injector
|
|
US2251863A
|
|
Machine tool drive
|
|
US2253413A
|
|
Spindle drive control for machine tools
|
|
US2252655A
|
|
Rotatable tool holder
|
|
US2181701A
|
|
Injector
|
|
US2174457A
|
|
Strip punching mechanism
|
|
US2142882A
|
|
Contouring lathe or the like
|
|
US2123649A
|
|
Combined boring and milling machine drive
|
|
US2153463A
|
|
Index plate for boring and milling machines
|
|
US2142923A
|
|
Drill grinding machine
|
|
US2176682A
|
|
Method and apparatus for washing
|
|
US2114911A
|
|
Antifriction bearing center for boring mills
|
|
US2112896A
|
|
Apparatus for cleaning heat exchangers and the like
|
|
US2107340A
|
|
Washer
|
|
US2047052A
|
|
Planer and similar machine
|
|
US1948725A
|
|
Safety connection
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