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| Patents for T. J. Trulock | |||||
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| Number | Date | Patentee | Title | Type | |
| 149,984 | Apr. 21, 1874 | M.C. Buffington | Improvement in wheelwrights' machines | wheelwright | |
| 149,985 | Apr. 21, 1874 | M.C. Buffington | Improvement in hollow augers | hollow bits | |
| 149,986 | Apr. 21, 1874 | M.C. Buffington | Improvement in wheelwright's machine | wheelwright | |
| 154,171 | Aug. 18, 1874 | M.C. Buffington | Improvement in wheelwrights' machines | wheelwright | |