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| Patents for Cameron & Cowan | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-5,339 | Nov. 02, 1875 | D. Cameron, J. Ballantine | Improvements on rotary bed planing machines | wood planers | |
| CA-5,951 | Apr. 10, 1876 | D. Cameron, J. Ballantine | Rotary bed moulding machine | molders | |