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US Patent: 436,936
Explosive Engine
Patentee: John W. Eisenhuth (exact or similar names) - San Francisco, CA USPTO Classifications: 123/162, 123/65VB, 123/80D, 290/1R Tool Categories: Assignees: Electric Vapor Engine Co. - San Francisco, CA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 07, 1890 Granted: Sep. 23, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Electric Vapor Engine Co.

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