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| All Patents in class 116/230 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,492,545 | Dec. 27, 1949 | A.K. Watcher | Micrometer Adjusting Dial | metalworking machine mechanisms | |
| 2,668,515 | Feb. 09, 1954 | T.H. Evans | Micrometer Dial Mechanism | metalworking machine mechanisms | |
| 2,709,924 | Jun. 07, 1955 | X.F. Castelli | Adjusting Mechanism for Machine Tools | metalworking machine mechanisms | |
| 2,861,536 | Nov. 25, 1958 | E.P. Polivka | Locking device for handwheel assembly | metal lathes | |