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| Patents for Charles H. Ourand | |||||
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| Number | Date | Patentee | Title | Type | |
| 434,071 | Aug. 12, 1890 | T. Powell | Saw Filing Machine | woodworking machine sharpening mechanisms | |
| D55,591 | Jul. 06, 1920 | A.B. Carll | Wrench | screw adjust wrenches | |
| 1,436,195 | Nov. 21, 1922 | P.J. Quigley | Socket Wrench | brace wrenches | |