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| Patents for Richard T. Crane | |||||
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| Picture | Number | Date | Patentee | Title | |
| 177,992 | May 30, 1876 | J.L. Agnew, R.T. Crane | Device for Turning Valve Stems &c. | ||
 | 216,023 | Jun. 03, 1879 | R.T. Crane | Improvement in Boring and Reaming Tools | |
 | 335,193 | Feb. 02, 1886 | J.T. Hayden | Pipe Wrench | |