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| Patents for James Spencer Parmenter | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-16,926 | Jun. 16, 1883 | J.S. Parmenter | Improvements in steam engines | steam engines | |
| CA-35,957 | Feb. 06, 1891 | J.S. Parmenter | Kiln for drying | kilns | |
| CA-40,578 | Oct. 06, 1892 | J.S. Parmenter | Compound engine | steam engines | |