| Patents for Hamilton Machine Tool Co. |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 802,489 | Oct. 24, 1905 | H. Baerbalck | Speed-changing device |
 | 870,759 | Nov. 12, 1907 | H. Baerbalck | Relieving Mechanism for Engine Lathes |
 | 923,930 | Jun. 08, 1909 | H. Baerbalck | Metal-planer |
 | 988,292 | Mar. 28, 1911 | C.D. Gibson, H. Baerbalck | Shaper |
 | 994,899 | Jun. 13, 1911 | H. Baerbalck | Gearing |
 | 1,003,315 | Sep. 12, 1911 | H. Baerbalck, C.D. Gibson | Gearing |
 | 1,258,129 | Mar. 05, 1918 | A.R. McCann | Combined drip-cup and wiper |
 | 1,358,051 | Nov. 09, 1920 | H. Baerbalck | Feeding mechanism for metal-working machinery |
 | 1,431,919 | Oct. 17, 1922 | H. Baerbalck | Crank-shaft lathe |
