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| All Patents in class 33/1B | |||||
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| Number | Date | Patentee | Title | Type | |
| 58,262 | Sep. 25, 1866 | J.W. Hyde | Improvement in Measuring Scales for Coffins | rule graduations | |
| 332,148 | Dec. 08, 1885 | E. Reizenstein, E.M. Goldsmith | Device for laying off geometric figures | ||
| 3,276,135 | Oct. 04, 1966 | W.B. McCardell | Gear Tooth Checking System | gear measuring machines | |