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| All Patents in class 79/7 | |||||
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| Number | Date | Patentee | Title | Type | |
| 499,289 | Jun. 13, 1893 | W. Frasier | Lathe Attachment | metal lathe accessories and attachments | |
| 506,178 | Oct. 03, 1893 | E. Koenig | Machine for Shaping Buttons of Mother of Pearl | button making machinery | |
| 549,915 | Nov. 19, 1895 | J.F. Healey | Pearl Button Turning Machine | button making machinery | |
| 558,458 | Apr. 14, 1896 | J. Neumeister | Pearl Button Machinery | button making machinery | |
| 863,497 | Aug. 13, 1907 | N. Barry, Jr. | Tool Holder | button making machinery | |