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| All Patents in class 36/36R | |||||
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| Number | Date | Patentee | Title | Type | |
| 809,954 | Jan. 16, 1906 | F.K. Huber | Tool for mortising door-frames for hinges | mortising machines | |
| 1,417,375 | May 23, 1922 | H.F. Schuh, C.A. Green | Adjustable Draftsman's Compass | dividers | |