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Patents for A. C. Ratigan
Patents 1 - 6 of 6
Number	Title	Classification(s)
741,292	Fine Adjustment for Protractors	33/429
783,721	Micrometer Gage	33/822
808,388	Lubricating journal-bearings	384/402
827,904	Igniter for explosive-engines	123/157, 123/158, 123/164, 123/169R
861,283	Wire Winding Tool	140/123, 140/124
989,261	End Thrust Adjustment for Machine Spindles	384/251, 82/147

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