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| All Patents in class 403/345 | |||||
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| Number | Date | Patentee | Title | Type | |
| 775,735 | Nov. 22, 1904 | C.D. Rice | Machine element | metalworking power transmission | |
| 1,200,158 | Oct. 03, 1916 | R. Barrett | Tool Holder | tool holders | |
| 1,579,002 | Mar. 30, 1926 | A.A. Koch | Vise-post lock | blacksmith | |
| 2,221,141 | Nov. 12, 1940 | E.T. Kindt | Dowel pin | ||