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| Patents for Walton Harrison | |||||
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| Number | Date | Patentee | Title | Type | |
| 720,947 | Feb. 17, 1903 | R. Miller | Micrometer Calipers | indicating calipers | |
| 773,425 | Oct. 25, 1904 | A.E. Babin, G.G. Riggs | Lathe Test Indicator | test indicators | |