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| Patents for W. J. Millard | |||||
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| Number | Date | Patentee | Title | Type | |
| 455,689 | Jul. 07, 1891 | C.T. Pratt | Drill-chuck | drill press chucks | |
| 742,131 | Oct. 20, 1903 | C.T. Pratt | Apparatus for electroplating | ||