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| Patents for Roy B. Dow | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,040,905 | Oct. 08, 1912 | R.B. Dow | Saw forming and sharpening machine | sharpening machines | |
| 1,221,844 | Apr. 10, 1917 | R.B. Dow | Combined Shaping and Miling Machinery | metal shapers | |