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Patents for Herbert B. Sperry
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
1,555,887	Oct. 06, 1925	H.B. Sperry	Ensilage cutter	animal food preparation machinery
1,630,588	May 31, 1927	H.B. Sperry	Blower pipe for wind stackers
1,635,803	Jul. 12, 1927	H.B. Sperry	Tongue-supporting truck

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