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US2200584A
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Method of simultaneously finishing cluster gears
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US2123026A
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Method of finishing gears
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US2137146A
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Method of finishing gears
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US1958958A
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Method of generating hourglass worms
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US1858468A
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Method of and apparatus for generating the teeth of gears and gear shaper cutters
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US1904956A
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Method of cutting the teeth of gears
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US1809869A
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Gear shaper cutter and method of making same
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US1862202A
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Method of cutting the teeth of gears
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US1853643A
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Method of and apparatus for generating the convolute teeth or threads of worms and the like
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US1873158A
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Hobbing cutter and method of making same
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US1849810A
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Hob and method of cutting for tapered gears
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US1772271A
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Gear-grinding machine
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US1767191A
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Method of and apparatus for generating helical gears
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US1809868A
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Gear shaped cutter and method of making same
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US1731505A
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Gear-grinding machine
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US1811568A
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Method of generating gears
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US1765385A
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Method of cutting gear teeth
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US1668824A
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Tape-actuated wedging means for use in gear-grinding machines
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US1662589A
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Means for controlling movements of work-carrying spindle with respect to a cutting element in gear-grinding machines and the like
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US1670906A
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Method of and apparatus for testing the teeth of gears and the like
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