| All Patents in class 279/69 |
Patents 16 -
30
of 32
      |
| Number | Date | Patentee | Title | Type |
| 539,193 | May 14, 1895 | R.M. Russell | Drill-chuck | drill press chucks |
| 566,905 | Sep. 01, 1896 | A.D. Goodell | Drill chuck | drilling and boring |
| 568,539 | Sep. 29, 1896 | W.H. McCoy | Chuck | drill chucks |
| 610,158 | Aug. 30, 1898 | F.G. Echols | Tool for Cutting Screw Threads | tap and die holders |
| 626,841 | Jun. 13, 1899 | C.O. Muehlberg | Drill Chuck for V Shank Drills | drill press chucks |
| 685,677 | Oct. 29, 1901 | Z.T. Furbish | Ball-Chuck | drill chucks |
| 728,276 | May 19, 1903 | K.O. Muehlberg | Drill Chuck | drill press chucks |
| 747,017 | Dec. 15, 1903 | C.A. Svensson | Drill-chuck | drill press chucks |
| 906,938 | Dec. 15, 1908 | R.M. Russell | Drill-chuck | drill press chucks |
| 1,018,008 | Feb. 20, 1912 | R.M. Russell | Drill-chuck | drill press chucks |
| 1,127,007 | Feb. 02, 1915 | A.L. Jennings | Auger bit and brace | |
| 1,153,673 | Sep. 14, 1915 | E.J. Bryant | Boring Tool Holder | boring heads |
| 1,425,213 | Aug. 08, 1922 | C.A. Palmgren | Drill chuck | drill chucks |
| 1,470,197 | Oct. 09, 1923 | H.A. Ryther | Chuck | drill chucks |
| 1,542,826 | Jun. 23, 1925 | H. Nielsen | Chuck | drill press chucks |
