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All Patents in class 156/DIG20
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,244,140Jun. 03, 1941H.F. CaldwellLabel attaching machine
2,341,493Feb. 08, 1944H.B. Tuthill, H.F. CaldwellMachine for applying labels to moving webs
2,528,856Nov. 07, 1950H.F. CaldwellLabeling machine
3,112,238Nov. 26, 1963H.F. Caldwell, J.R. DaviesLabeling machine
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