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| Patents for John F. Leech | |||||
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| Number | Date | Patentee | Title | Type | |
| 196,877 | Nov. 06, 1877 | A.W. Comstock | Improvement in tire bending and upsetting attachments for punching and shearing | tire benders | |
| 393,341 | Nov. 20, 1888 | H. O'Hare | Calf Weaner | animal weaners | |