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US Patent: 1,132,536
Screw-cutting tap
Patentee:
Albert J. Prance (exact or similar names) - Detroit, MI

USPTO Classifications:
408/142, 408/158

Tool Categories:
metalworking machines : drilling and boring : tapping heads and chucks

Assignees:
Murchey Machine & Tool Co. - Detroit, MI

Manufacturer:
Murchey Machine & Tool Co. - Detroit, MI

Witnesses:
M. L. Cooper
M. V. Bunyan

Patent Dates:
Applied: Nov. 19, 1913
Granted: Mar. 16, 1915

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Murchey Machine & Tool Co.

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