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| Patents for John R. Baker | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,902,798 | Sep. 08, 1959 | J.R. Baker, W.A. Hoier | Automatic Table Positioning Mechanism for Grinders | cylindrical grinders | |
| 3,290,833 | Dec. 13, 1966 | J.R. Baker | Positional Adjusting Mechanism | roll grinding machines | |