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| Patents for Walter B. Pearson | |||||
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| Number | Date | Patentee | Title | Type | |
| 593,491 | Nov. 09, 1897 | W.B. Pearson | Horizontal drilling and boring machine | horizontal drilling machines | |
| 633,108 | Sep. 12, 1899 | W.B. Pearson | Machine for Turning Regular Hexagons | lathe tool holders and tool posts | |