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All Patents of Type: boring heads
Patents 1 - 15 of 105
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NumberDatePatenteeTitleType
136,736Mar. 11, 1873J.K. KacerovskyExpanding Boring Toolsboring heads
172,183Jan. 11, 1876A. SchwerterDepthing Toolboring heads
200,285Feb. 12, 1878J. HallBoring and Drilling Apparatusboring heads
266,306Oct. 24, 1882D. O'NeilMetal Boring Deviceboring heads
473,027Apr. 19, 1892W.J. SmithMachine for Boring and Shapingboring heads
552,065Dec. 24, 1895J.B. KingBoring Toolboring heads
757,494Apr. 19, 1904W. PohlmanExpansion Boring Toolboring heads
767,036Aug. 09, 1904H.W. BorchersTool Holderboring heads
882,529Mar. 17, 1908R.N. MelvinReamer and Boring Headboring heads
973,542Oct. 25, 1910A. MuehlmattBoring-head for lathes, milling-machines, and the likeboring heads
981,062Jan. 10, 1911H. CaslerBoring Headboring heads
1,066,878Jul. 08, 1913S. BlocksomAdjustable Boring Headboring heads
1,153,673Sep. 14, 1915E.J. BryantBoring Tool Holderboring heads
1,176,812Mar. 28, 1916J.W. BradleyExpanding Boring Head and Screwing Headboring heads
1,230,020Jun. 12, 1917H.A. PedrickBoring Headboring heads
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