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| All Patents in class 72/191 | |||||
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| Number | Date | Patentee | Title | Type | |
| 128,118 | Jun. 18, 1872 | A.G. Coes | Improvement in Machines for Forming Wrench-Bar Heads | tool making machines | |
| 216,969 | Jul. 01, 1879 | G. Parr | Machine for Rolling Chisels | making chisels | |