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| Patents for Theodore Tyrer | |||||
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| Number | Date | Patentee | Title | Type | |
| 216,162 | Jun. 03, 1879 | C.D. Edwards | Improvement in ditching-machines | construction machines | |
| 225,563 | Mar. 16, 1880 | W.E. Canedy | Combined anvil and vise | blacksmith | |