| All Patents in class 279/56 |
Patents 46 -
60
of 86
      |
| Number | Date | Patentee | Title | Type |
| 929,466 | Jul. 27, 1909 | A. McGregor | Tool Holder or Chuck | tool holders |
| 936,644 | Oct. 12, 1909 | J.A. Leland | Chuck | brace chucks |
| 948,850 | Feb. 08, 1910 | T.J. Fegley | Chuck | |
| 952,320 | Mar. 15, 1910 | T.J. Fegley | North Bros. version of the Millers Falls "protected spring" design. | drill accessories |
| 967,837 | Aug. 16, 1910 | E.A. Schade | Bit brace chuck | |
| 974,896 | Nov. 08, 1910 | J.A. Leland | Chuck | brace chucks |
| 992,572 | May 16, 1911 | J.H. McLaughlin | Tool-chuck | brace chucks |
| 995,808 | Jun. 20, 1911 | A.F. Schade | Bit-Brace Chuck | brace chucks |
| 1,063,702 | Jun. 03, 1913 | J.A. Leland | Chuck | |
| 1,107,483 | Aug. 18, 1914 | M. Bohlig | Tenon-Cutter | hollow bits |
| 1,117,241 | Nov. 17, 1914 | W.L. Procunier | Bit and tap chuck | drill press chucks |
| 1,126,176 | Jan. 26, 1915 | E.M. De Long, C.E. Baker | Take-Up for Flexible Connections | industrial machine mechanisms |
| 1,127,007 | Feb. 02, 1915 | A.L. Jennings | Auger bit and brace | |
| 1,132,550 | Mar. 23, 1915 | C. Bodmer | Chuck | |
| 1,175,879 | Mar. 14, 1916 | L.P. Blot | Chuck | brace chucks |
