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| All Patents in class 403/277 | |||||
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| Number | Date | Patentee | Title | Type | |
| 150,385 | Apr. 28, 1874 | J. Yerkes | Improvement in wedges for tool-handles | hammers | |
| 1,037,289 | Sep. 03, 1912 | J.W. Miller | Hammer | ball pein hammers | |
| 2,008,352 | Jul. 16, 1935 | G.O. Leopold, T.J. Fegley | coupling device for impact tips | ||
| 3,452,633 | Jul. 01, 1969 | E.J. Hammon | Die set shank construction | dies for punch presses | |