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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:
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Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Andrew Parker

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