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| All Patents in class 235/61.0GM | |||||
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| Number | Date | Patentee | Title | Type | |
| 14,329 | Feb. 26, 1856 | H. Whipple | Instrument for measuring the length of braces in carpentry | rules | |
| 2,530,955 | Nov. 21, 1950 | H.J. Gerber | Instrument for measuring, interpolating, and the like | ||