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| All Patents in class 248/277.1 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,707,764 | Apr. 02, 1929 | C.L. Mattison | Machine tool | circular crosscut saws | |
| 1,765,733 | Jun. 24, 1930 | J.O. Olsen | Power-driven saw | circular crosscut saws | |