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| All Patents in class 72/102 | |||||
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| Number | Date | Patentee | Title | Type | |
| 23,982 | May 10, 1859 | S. Lee | Milling Machine | milling machines | |
| 128,118 | Jun. 18, 1872 | A.G. Coes | Improvement in Machines for Forming Wrench-Bar Heads | tool making machines | |
| 291,253 | Jan. 01, 1884 | F.C. Williams | Machine for Spinning Metals | metal spinning machines | |
| 2,771,807 | Nov. 27, 1956 | D.R. Trinkle | Tool holder | metal lathe accessories and attachments | |
| 3,877,273 | Apr. 15, 1975 | I.H. Culver | Gear rolling method and apparatus | ||