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| All Patents in class 144/133.2 | |||||
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| Number | Date | Patentee | Title | Type | |
| 259,180 | Jun. 06, 1882 | G. Luppert | Machine for making rail-pieces for bureaus, &c. | specialty woodworking machines | |
| 582,915 | May 18, 1897 | A.B. Harris | Railroad-tie boring and trimming machine | drilling and boring | |
| 1,672,652 | Jun. 05, 1928 | J.H. Mansfield | Tie-adzing machine | railroad machines | |