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US Patent: 657,934
Rear Compression Gas Engine
Patentee: George E. Hoyt (exact or similar names) - San Francisco, San Francisco County, CA USPTO Classifications: 123/65WA Tool Categories: propulsion and energy : internal combustion engines Assignees: None Manufacturer: Palmer & Rey Type Foundry - San Francisco, San Francisco County, CA Witnesses: Unknown	Patent Dates: Applied: Mar. 09, 1900 Granted: Sep. 18, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Palmer & Rey Type Foundry

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