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| Patents for John O'Grady | |||||
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| Number | Date | Patentee | Title | Type | |
| 179,758 | Jul. 11, 1876 | J.B. Price, C.E. Billings | Improvement in die-stocks | tap wrenches and die stocks | |
| 286,478 | Oct. 09, 1883 | J. O'Grady | Insertable saw-tooth | insertable saw teeth | |