| Patents for John McDonald |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 4,875X | Sep. 11, 1827 | J. McDonald | Machine for separating the hair from fur | feather and hair removing machines |
| 146,588 | Jan. 20, 1874 | H.A. Gatley | Gatley Cutter Adjustment | plane cutter adjustments |
| 330,720 | Nov. 17, 1885 | S.W. Little | Saw-mill carriage | sawmill carriages |
| 331,519 | Dec. 01, 1885 | J. McDonald | Siding Rest | clapboard markers |
| 393,253 | Nov. 20, 1888 | J. McDonald | Machine for making dowel-pins | dowel making machines |
| 895,287 | Aug. 04, 1908 | J. McDonald | Sprag sharpener | |
