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| All Patents in class 403/374.1 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,062,448 | May 20, 1913 | H. Fish | Tool Holder | ||
| 1,418,379 | Jun. 06, 1922 | J.D. Karle | Method of securing ball-bearings to shafts | ||