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| All Patents in class 74/46 | |||||
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| Number | Date | Patentee | Title | Type | |
| 731,087 | Jun. 16, 1903 | Z.R. Tucker | Carriage Reversing Mechanism for Grinding Machines | cylindrical grinders | |
| 977,953 | Dec. 06, 1910 | J.M. Jones | Safety-guard for stamping-presses | stamping presses | |