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| All Patents in class 156/DIG.033 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,326,436 | Aug. 10, 1943 | H.F. Caldwell | Label attaching machine | ||
| 2,329,669 | Sep. 14, 1943 | H.B. Tuthill | Label attaching machine | ||