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All Patents in class 606/180 | |||||
Number | Date | Patentee | Title | Type | |
568,932 | Oct. 06, 1896 | S.W. Wilcox | Bit-centering device | ||
1,377,288 | May 10, 1921 | A.L. Soresi | Rotary cutting and drilling instrument | handheld power tools | |
1,833,828 | Nov. 24, 1931 | J.N. Deibert, Jr. | Dehorning Saw | dehorning saws | |
2,071,954 | Feb. 23, 1937 | L. Scruggs | Chuck or Tool Holder | chucks |