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US Patent: 1,283,780
Compression Release
Patentee: Rasmus M. Hvid (exact or similar names) - Chicago, IL USPTO Classifications: 123/182.1, 123/198F Tool Categories: propulsion and energy : internal combustion engines : oil engines Assignees: R. M. Hvid Co. - Chicago, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 03, 1917 Granted: Nov. 05, 1918 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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