| All Patents in class 279/103 |
Patents 1 -
10
of 56
      |
| Picture | Number | Date | Patentee | Title |
| | 260,314 | Jun. 27, 1882 | G.V. Sheffield, J.A. Parks | Drill Chuck |
| | 288,957 | Nov. 20, 1883 | A. Söderström | Self Oiling Drill Chuck |
| | 292,725 | Jan. 29, 1884 | S.J. Wisdom | Jack |
 | 321,196 | Jun. 30, 1885 | U. Eberhardt, H.E. Eberhardt | Drilling-Machine |
 | 335,184 | Feb. 02, 1886 | W. Evans | Drilling-machine |
| | 364,080 | May 31, 1887 | T. Barber | Tool Holder |
| | 388,987 | Sep. 04, 1888 | G.W. McIntyre | Drill Chuck |
 | 591,913 | Oct. 19, 1897 | L.M. Devore | Handle For Screw Drivers Or Other Tools |
 | 611,494 | Sep. 27, 1898 | G.F. Leonard | Twist-drill and socket |
 | 624,875 | May 09, 1899 | W.D. Arnott, B.E. Sawyer | replaceable screwdriver blade |
