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| Patents for W. E. Chaffee | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 117,679 | Aug. 01, 1871 | G.B. Phillips | Improvement in Wrenches | |
 | 160,179 | Feb. 23, 1875 | D. Gilbert | Improvement in Pipe-Wrenches | |
 | 161,970 | Apr. 13, 1875 | F.F. Landis | Portable Steam Engine | |
 | 164,665 | Jun. 22, 1875 | S. Tilton | Improved Instrument to Keep Calves from Sucking | |
 | 184,311 | Nov. 14, 1876 | H.W. Warner | Manufacture of Axes | |
 | 304,633 | Sep. 02, 1884 | R.I. Frambes | Level | |