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| Patents for James Ferguson | |||||
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| Number | Date | Patentee | Title | Type | |
| 210,200 | Nov. 26, 1878 | C.C. Hill | Improvement in machines for cutting key-hole escutcheons | specialty woodworking machines | |
| 335,571 | Feb. 09, 1886 | J. Ferguson | Engine Valve | internal combustion engine valves | |