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| Patents for Acme Rule Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 354,865 | Dec. 21, 1886 | W.H. Jones | Pocket Rule | folding rules | |
| 450,457 | Apr. 14, 1891 | H. Green | Spirit Level | levels | |
| 465,664 | Dec. 22, 1891 | M. Hogarty | Rule | folding rules | |