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| Patents for John Ashcroft | |||||
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| Number | Date | Patentee | Title | Type | |
| 86,346 | Feb. 02, 1869 | J. Ashcroft | Safety Valve | steam safety valves | |
| 119,959 | Oct. 17, 1871 | J. Ashcroft | Apparatus for Roasting Coffee, &c. | coffee roasters | |