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Patents for Oliver Machinery Co., Ltd.
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	987,065	Mar. 14, 1911	W.B. Haigh	Chain mortising machine
	GB-191,423,184	Aug. 26, 1915	B.W. Haigh	Improvements in grinding or polishing machines

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