| Patents for Alexander Dunbar |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| CA-22,455 | Sep. 15, 1885 | A. Dunbar | Shingle machine | shingle machines |
| 658,353 | Sep. 25, 1900 | A. Dunbar | Machine for Dressing Staves | barrel making machines |
| 702,932 | Jun. 24, 1902 | A. Dunbar | Machinery for Jointing or Finishing Stave Blanks for Casks | barrel making machines |
| CA-92,877 | May 02, 1905 | A. Dunbar, Jr., W. Dunbar, A. Dunbar, A. Dunbar | Gang saw | reciprocating sawmills |
| 850,144 | Apr. 16, 1907 | A. Dunbar | Stave Jointing Machine | barrel making machines |
| 929,662 | Aug. 03, 1909 | A. Dunbar | Logging-engine | logging trucks |
