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| All Patents in class 164/103 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 138,176 | Apr. 22, 1873 | J. Miller | Processes for Casting Bearings on Shafting | ||
| 2,304,067 | Dec. 08, 1942 | G.R. Anderson | Production of Rotors for Electric Machines | ||