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| Patents for Albert H. Norris | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 142,048 | Aug. 19, 1873 | A.H. Shipman | Improvement in cutter-heads | |
 | 160,340 | Mar. 02, 1875 | W.I. Ludlow | Improvement in mortising-machines | |