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| All Patents in class 72/90 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 432,636 | Jul. 22, 1890 | S. Moore | Machine for Straightening and Sizing Twist Drills | ||
| 1,254,157 | Jan. 22, 1918 | C. Perkins | Machine for Use in the Manufacture of Nails | ||
| 1,254,176 | Jan. 22, 1918 | L.W. Thorsell | Automatic Thread Rolling Machine | ||
| 2,967,444 | Jan. 10, 1961 | R.S. Litterst, E.E. Hallberg | Thread Rolling Machines | ||