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All Patents in class 156/DIG.02 | |||||
Number | Date | Patentee | Title | Type | |
2,244,140 | Jun. 03, 1941 | H.F. Caldwell | Label attaching machine | ||
2,341,493 | Feb. 08, 1944 | H.B. Tuthill, H.F. Caldwell | Machine for applying labels to moving webs | ||
2,528,856 | Nov. 07, 1950 | H.F. Caldwell | Labeling machine | ||
3,112,238 | Nov. 26, 1963 | H.F. Caldwell, J.R. Davies | Labeling machine |