| Patents for Rockford Drilling Machine Co. |
Patents 1 -
10
of 19
      |
| Picture | Number | Date | Patentee | Title |
 | 659,636 | Oct. 16, 1900 | B.F. Barnes | Drilling-machine |
 | 913,417 | Feb. 23, 1909 | R. Milne | Gearing |
 | 928,780 | Jul. 20, 1909 | R. Milne | Tapping attachment for drilling-machines |
 | 940,342 | Nov. 16, 1909 | R. Milne | Differential Postive Feed Mechanism |
 | 945,571 | Jan. 04, 1910 | R. Milne | Safety-clutch for drill-feeds |
 | 968,488 | Aug. 23, 1910 | R. Milne | Gearing |
 | 968,489 | Aug. 23, 1910 | R. Milne | Centering-machine |
 | 981,870 | Jan. 17, 1911 | R. Milne | Trip mechanism for drilling-machines |
 | 983,745 | Feb. 07, 1911 | R. Milne | Locking device for shiftable members |
 | 983,746 | Feb. 07, 1911 | R. Milne | Feed mechanism for drill-spindles |
