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All Patents in class D23/231
Patents 1 - 5 of 5
Number	Date	Patentee	Title	Type
D4,922	May 23, 1871	H.L. Fry	Design for chain-pumps
D4,945	May 30, 1871	H.L. Fry	Design for a chain-pump
D8,396	Jun. 15, 1875	H.L. Fry	Design for a chain-pump curb
D8,397	Jun. 15, 1875	H.L. Fry	Design for a chain-pump curb
1,078,320	Nov. 11, 1913	J.M. Stratton	Pump

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