US Patent: 445,904 - Hot Air Engine


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US Patent: 445,904

Hot Air Engine

Patentee:

Horace Robinson (exact or similar names) - Manchester, Lancashire County, England

USPTO Classifications:

60/521

Tool Categories:

propulsion and energy : external combustion engines : hot air engines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Apr. 17, 1890
Granted:	Feb. 03, 1891

Patent Pictures:

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Description:

Patented in England, 08 Jan., 1889, #298; in France, 17 Oct. 1889, #201,391; in Belgium, 17 Oct. 1889, #38,099; in Germany, 15 Nov., 1889, #52,196 and in Italy, 26 Feb., 1890, XXIV, 27,060.