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| Patents for John J. Miller | |||||
| Number | Date | Patentee | Title | Type | |
| 72,812 | Dec. 31, 1867 | C. Custer | Millstone-Bush | mill stones | |
| 169,927 | Nov. 16, 1875 | H.S. Tarr | Improvement in plumb-levels | inclinometers | |