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| All Patents of Type: rotary hammers | |||||
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| Number | Date | Patentee | Title | Type | |
| 265,655 | Oct. 10, 1882 | W.T. Browne | Rotary Hammer | rotary hammers | |
| 351,867 | Nov. 02, 1886 | P.J. Kearns | Rotary Hammer | rotary hammers | |
| 510,637 | Dec. 12, 1893 | A. Galette | Machine for Sharpening Scythes | rotary hammers | |
| 655,028 | Jul. 31, 1900 | W. Sneller | Rotary Draw Block Hammer | rotary hammers | |
| 809,348 | Jan. 09, 1906 | M.T. Weston | Power Hammer | rotary hammers | |