| Patents for Rockford Drilling Machine Co. |
Patents 1 -
15
of 19
      |
| Number | Date | Patentee | Title | Type |
| 659,636 | Oct. 16, 1900 | B.F. Barnes | Drilling-machine | drill presses |
| 913,417 | Feb. 23, 1909 | R. Milne | Gearing | metalworking power transmission |
| 928,780 | Jul. 20, 1909 | R. Milne | Tapping attachment for drilling-machines | drilling and boring |
| 940,342 | Nov. 16, 1909 | R. Milne | Differential Postive Feed Mechanism | drill presses |
| 945,571 | Jan. 04, 1910 | R. Milne | Safety-clutch for drill-feeds | drill presses |
| 968,488 | Aug. 23, 1910 | R. Milne | Gearing | drill presses |
| 968,489 | Aug. 23, 1910 | R. Milne | Centering-machine | metal lathes |
| 981,870 | Jan. 17, 1911 | R. Milne | Trip mechanism for drilling-machines | drill presses |
| 983,745 | Feb. 07, 1911 | R. Milne | Locking device for shiftable members | metalworking machine mechanisms |
| 983,746 | Feb. 07, 1911 | R. Milne | Feed mechanism for drill-spindles | drill presses |
| 1,008,181 | Nov. 07, 1911 | R. Milne | Change-speed mechanism | drill presses |
| 1,008,182 | Nov. 07, 1911 | R. Milne | Gearing for drill-presses | drill presses |
| 1,017,441 | Feb. 13, 1912 | R. Milne | Gearing | drill presses |
| 1,026,595 | May 14, 1912 | R. Milne | Feeding attachment for drill-spindles | drill presses |
| 1,063,572 | Jun. 03, 1913 | R. Milne | Feed for drill-spindles | drill presses |
