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| All Patents in class 92/10 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,268,270 | Jun. 04, 1918 | R.W. Nazel | Fluid-power hammer | drop hammers | |
| 2,444,228 | Jun. 29, 1948 | L.B. Huthsing | Automatic control means for machine tools | machine tool controls | |