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All Patents in class 156/519
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
2,244,140	Jun. 03, 1941	H.F. Caldwell	Label attaching machine
2,378,112	Jun. 12, 1945	H.B. Tuthill, H.F. Caldwell	Adjustable labeling device
3,112,238	Nov. 26, 1963	H.F. Caldwell, J.R. Davies	Labeling machine

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