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| All Patents in class 29/7 | |||||
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| Number | Date | Patentee | Title | Type | |
| 106,720 | Aug. 23, 1870 | N.C. Perry | Improvement in Machines for Bending Screw-Eyes | metal twisting machines | |
| 300,758 | Jun. 24, 1884 | B. Brazelle | Machine for making hook-headed nails | nail making machines | |