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| All Patents in class 403/83 | |||||
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| Number | Date | Patentee | Title | Type | |
| 82,447 | Sep. 22, 1868 | D. Snell | Improvement in tumbling-shafts for connecting power with machinery | animal powered apparatus | |
| 512,237 | Jan. 02, 1894 | G.D. Strayer | Angling boring brace | ||
| 889,768 | Jun. 02, 1908 | A.L. De Leeuw | Locking Mechanism for Machine Tools | metalworking machine mechanisms | |
| 1,568,295 | Jan. 05, 1926 | J.A. Schleicher | Locking device for depth gauge micrometers | depth gauges | |