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| All Patents in class 74/665.0GB | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 142,511 | Sep. 02, 1873 | S.W. Putnam, Jr. | Improvement in machines for tapping nuts | |
 | 984,708 | Feb. 21, 1911 | C.D. Rice | Belt-gearing | |
 | 1,012,204 | Dec. 19, 1911 | C.A. Juengst | Metal-sawing machine | |
| 2,946,234 | Jul. 26, 1960 | R.H. Jahnke | Press brake | ||