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| Patent GB179,401,979 | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-179,401,979 | Mar. 06, 1794 | T. Mead | Exerting, putting and continuing in motion, pneumatic, chemical or pneumato-chemical apparatus, by the decomposition, recomposition, expansion and condensation (separately or conjointly) of permanently elastic fluids | gas and gasoline engines | |