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| All Patents of Type: upsetting machines | |||||
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| Number | Date | Patentee | Title | Type | |
| 510,512 | Dec. 12, 1893 | J.P. Lee | Metal Working Machine | metal shearing machines | |
| 655,597 | Aug. 07, 1900 | R. Bates | Combined Metal Working Machine | blacksmith | |
| 933,981 | Sep. 14, 1909 | P.J. Havey | Metal Working Machine | upsetting machines | |
| 1,972,051 | Aug. 28, 1934 | K.F. Kempf | Upsetting Machine | upsetting machines | |