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| All Patents in class 76/74 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,323,319 | Jul. 06, 1943 | C.S. Finnell | Magnetic Guide for Tools | ||
| 2,421,657 | Jun. 03, 1947 | J.H. Speed | Handsaw filing guide | saw sharpening tools | |