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Patents for Winkley Co.
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
470,734Mar. 15, 1892F.D. WinkleyOil-cup
552,737Jan. 07, 1896F.D. WinkleyOil-cup
642,860Feb. 06, 1900F.D. WinkleyOil-hole cover or cap
792,857Jun. 20, 1905W.E. StrongFilling apparatus
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