All Patents in class 408/213 |
Patents 61 -
75
of 81
|
Number | Date | Patentee | Title | Type |
781,652 | Feb. 07, 1905 | C.C. Hiatt | Auger-Bit | auger bits |
782,221 | Feb. 14, 1905 | P.J. Creeden | Auger-Bit | auger bits |
803,223 | Oct. 31, 1905 | T.F. Gaynor | Expansion-Auger | adjustable drill bits |
808,245 | Dec. 26, 1905 | J. Lund | Wood-Boring Implement | auger bits |
818,062 | Apr. 17, 1906 | S.H. Tucker | Expansible bit | adjustable drill bits |
825,479 | Jul. 10, 1906 | J.T. Parker | Adjustable Bit Attachment | drill accessories |
848,632 | Apr. 02, 1907 | G.T. Chafin | Bit | adjustable drill bits |
877,592 | Jan. 28, 1908 | P.J. Creedon, W.G. Parry | Head for Boring-Bits | hollow bits |
884,111 | Apr. 07, 1908 | O. Tack | Boring-Tool | adjustable drill bits |
931,593 | Aug. 17, 1909 | L.W. Garner | Expansible Boring-Bit | adjustable drill bits |
963,468 | Jul. 05, 1910 | E. Pastore | Expansible Bit | adjustable drill bits |
965,664 | Jul. 26, 1910 | T.E. Stevenson | Bung-Hole Borer/Reamer | tapered reamers |
967,055 | Aug. 09, 1910 | J.T. Pugh | Auger-Bit | auger bits |
970,789 | Sep. 20, 1910 | G.P. Butler | Expansible Bit | adjustable drill bits |
996,612 | Jul. 04, 1911 | J.W. Caldwell | Auger-Bit | auger bits |