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US1891220A
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Head-stock for machine tools
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US1835687A
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Backing off mechanism for grinding machines
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US1895830A
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Worktable and relieving mechanism for grinding machines
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US1849894A
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Thread cutting tap
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US1856180A
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Truing mechanism for grinding machines
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US1854243A
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Machine for measuring three-fluted taps
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US1854244A
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Machine for measuring two-fluted taps
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US1793727A
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Method and apparatus for making thread chasers
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US1880673A
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Worktable for grinding machines
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US1842651A
|
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Grinding machine
|
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US1849160A
|
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Adjustable tap
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US1835733A
|
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Backing off mechanism for grinding machines
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US1797934A
|
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Thread gauge
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GB327852A
|
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Improvements in work and tool lubricating device for grinding and like machines
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GB327004A
|
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Improvements in method of making screw thread dies and other similar articles
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GB327003A
|
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Improvements relating to grinding or abrading machines
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GB330984A
|
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Improvements in grinding or abrading machines
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US1873530A
|
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Truing mechanism for grinding machines
|
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GB326016A
|
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Improvement in means for operating the tail center of grinding machines and similar machine tools
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US1842650A
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Apparatus for grinding threaded work
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