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| All Patents in class 470/61 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,456 | Oct. 21, 1851 | T.J. Sloan | Making Screws | material cutting machines | |
| RE2,182 | Mar. 06, 1866 | T.J. Sloan | Machine for Shaving and Nicking Screws | screws | |
| 144,693 | Nov. 18, 1873 | J. Fanning, E. Nugent | Machines for Nicking and Shaving Screw-Blanks | screw machines | |
| RE9,086 | Feb. 17, 1880 | F. Curtis | Machine for making machine-screws | screw machines | |