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US Patent: 827,904
Igniter for explosive-engines
Patentee: John Boyle (exact or similar names) - Peabody, MA USPTO Classifications: 123/157, 123/158, 123/164, 123/169R Tool Categories: propulsion and energy : internal combustion engines : ignition systems Assignees: None Manufacturer: John Boyle Machine Co. - Peabody, MA Witnesses: C. F. Brown A. C. Ratigan	Patent Dates: Applied: Nov. 21, 1903 Granted: Aug. 07, 1906 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for John Boyle & Co.

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