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| Patents for B. J. Kelberg | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,053,602 | Feb. 18, 1913 | C. Holly | Box Making Machine | cardboard box making machines | |
| 1,091,514 | Mar. 31, 1914 | C. Holly | Cutting Mechanism | ||
| 1,411,699 | Apr. 04, 1922 | C. Holly | Box Feeding Mechanism | cardboard box making machines | |