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| All Patents in class 470/150 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,342 | Sep. 25, 1839 | J.B. Bellemere | Mode of Squaring and Finishing the Heads of Bolts, Nut and Other Plain Similar Surfaces | lathe tools | |
| AI34 | Sep. 10, 1840 | J.B. Bellemere | Squaring and finishing heads of bolts, nuts, etc. | ||
| 1,587,011 | Jun. 01, 1926 | R.S. Crosby | Tool support for metal-cutting machines | nut or bolt making machines | |