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US Patent: 1,549,178
Tapping machine
Patentee:
Benjamin S. T. Bishop (exact or similar names) - Worcester, MA

USPTO Classifications:
408/11, 408/132, 470/181

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

Assignees:
Leland-Gifford Co. - Worcester, MA

Manufacturer:
Leland-Gifford Co. - Worcester, MA

Witnesses:
C. F. Wesson
Patent Dates:
Applied: Apr. 14, 1924
Granted: Aug. 11, 1925

Patent Pictures:
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Vintage Machinery entry for Leland-Gifford Co.

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