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| Patents for Robert Smallwood | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-3,292 | Apr. 10, 1874 | R. Smallwood | Lever feed for shingle sawing machines | shingle machines | |
| CA-9,829 | Apr. 08, 1879 | R. Smallwood | Lever feed for shingle machines | shingle machines | |
| CA-43,448 | Jun. 30, 1893 | R. Smallwood | Shingle machine | shingle machines | |