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