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US Patent: 437,157
Tapping-machine
Tapping attachment for drill press
Patentee:
Henry W. Honeyman - Providence, RI

USPTO Classifications:
408/133, 74/377

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

Assignees:
Granger Foundry & Machine Co. - Providence, RI

Manufacturer:
Granger Foundry & Machine Co. - Providence, RI

Witnesses:
William S. Horton
Christopher Rhodes

Patent Dates:
Applied: Jan. 23, 1890
Granted: Sep. 23, 1890

Patent Pictures:
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"Vintage Machinery" entry for Granger Foundry & Machine Co.

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