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| Patents for J. Holyland | |||||
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| Number | Date | Patentee | Title | Type | |
| 21,606 | Sep. 28, 1858 | J. Holyland, J.C. Holyland | Cracker-machine | ||
| 30,732 | Nov. 27, 1860 | J. Holyland, J.C. Holyland | Cracker-machine | ||