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US Patent: 198,945
Improvement in collapsible screw-taps
Patentee: James M. Johnson (exact or similar names) - Cleveland, Cuyahoga County, OH USPTO Classifications: 408/168, 470/199 Tool Categories: industrial tools : taps and dies metalworking tools : taps and dies Assignees: Andrew Parker - Cleveland, Cuyahoga County, OH James M. Johnson - Cleveland, Cuyahoga County, OH Manufacturer: Andrew Parker - Cleveland, Cuyahoga County, OH Witnesses: George W. Tibbetts F. W. Cadwell	Patent Dates: Applied: Sep. 21, 1877 Granted: Jan. 08, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Andrew Parker

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