| Patents for McDonald Machine Co. |
Patents 1 -
10
of 33
      |
| Picture | Number | Date | Patentee | Title |
 | 834,069 | Oct. 23, 1906 | C.B. McDonald, C.D. McDonald | Can-soldering machine |
 | 864,325 | Aug. 27, 1907 | C.B. McDonald | Can-forming machine |
 | 877,358 | Jan. 21, 1908 | C.D. McDonald | Can-heading machine |
 | 938,165 | Oct. 26, 1909 | C.B. McDonald | Can-testing machine |
 | 945,573 | Jan. 04, 1910 | C.B. McDonald, C.D. McDonald | Can-testing machine |
| | 970,092 | Sep. 13, 1910 | C.D. McDonald | Automatic die-press |
| | 1,013,796 | Jan. 02, 1912 | C.B. McDonald, J.E. McCullough | Can-testing machine |
| | 1,025,199 | May 07, 1912 | C.B. McDonald | Can-testing machine |
| | 1,039,565 | Sep. 24, 1912 | C.D. McDonald | Metal-working machine |
| | CA-147,087 | Apr. 08, 1913 | C.D. McDonald | Metal working machine |
