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| Patents for F. B. Keefe | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 628,414 | Jul. 04, 1899 | H.J. O'Leary | Nipple-Wrench | |
 | 645,076 | Mar. 13, 1900 | B.B. Feltus | Improved Tool for Straining and Twisting Wire in the Construction of Fences | |
 | 672,634 | Apr. 23, 1901 | S.H. Bellows | Surface Gage | |