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US Patent: 552,718
Hydrocarbon Engine
Patentees: William Dent Priestman (exact or similar names) - Kingston-upon-Hull, Holderness County, England Samuel Priestman (exact or similar names) - Kingston-upon-Hull, Holderness County, England USPTO Classifications: 123/179.7, 123/182.1, 123/41.37, 123/550 Tool Categories: propulsion and energy : internal combustion engines : oil engines Assignees: Priestman Oil Engine American Syndicate - Kingston-upon-Hull, Holderness County, England Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 02, 1895 Granted: Jan. 07, 1896 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Priestman Bros.
Description: Patented in England, 02 Nov 1893, #20,808 and 17 Aug 1894, #15,721.

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