| Patents for Cowan & Co. |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| CA-5,339 | Nov. 02, 1875 | D. Cameron, J. Ballantine | Improvements on rotary bed planing machines | wood planers |
| 174,944 | Mar. 21, 1876 | A. Cant | Improvement in planing-machines | wood planers |
| 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 | T. Cowan, J. Ballantine | Planing machine | wood planers |
| CA-47,257 | Oct. 12, 1894 | H.E. Moffat | Feed-water purifier | feedwater apparatus |
| CA-117,354 | Mar. 23, 1909 | J. Baird | Speed mechanism for planing and moulding machines | wood planers |
