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| Patents for J. F. Acker Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 378,584 | Feb. 28, 1888 | L.W. Cromer, G. Gavin | Wrench | screw adjust wrenches | |
| 410,784 | Sep. 10, 1889 | J. Colville | Machine for boring and trimming slats | box making machines | |