| Patents for Thomas Cowan |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| CA-5,951 | Apr. 10, 1876 | D. Cameron, J. Ballantine | Rotary bed moulding machine | molders |
| CA-11,493 | Jul. 15, 1880 | D. Cameron, T. Cowan, J. Ballantine | Improvements in wood planing machines | wood planers |
| CA-11,494 | Jul. 15, 1880 | D. Cameron, T. Cowan, J. Ballantine | Improvements in rotary bed planers | wood planers |
| CA-12,420 | Feb. 26, 1881 | T. Cowan, J. Ballantine | Spring guard adjusters for moulding machines | molders |
| CA-12,786 | May 13, 1881 | J. Ballantine, T. Cowan | Planing machine | wood planers |
