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| All Patents in class 72/121 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 296,439 | Apr. 08, 1884 | W.T. Nicholson | Machine for Forming Teeth Upon File Blanks | ||
| 492,576 | Feb. 28, 1893 | W.H. Dayton | Machine for Swaging Wire, &c. | ||
 | 780,818 | Jan. 24, 1905 | L. Schlegle | Clamping Wrench | |
| 1,117,423 | Nov. 17, 1914 | W.T. Murphy | Swaging-machine | ||
 | 1,998,557 | Apr. 23, 1935 | R. Sannipoli | Fruit Jar Cap Wrench and Rethreader | |