US Patent: 112,626 - Improvement in machines for tapping boilers


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US Patent: 112,626

Improvement in machines for tapping boilers

Patentees:

Joseph L. Hewes (exact or similar names) - Newark, NJ

Parley I. Perrin (exact or similar names) - Taunton, MA

USPTO Classifications:

144/130, 144/93.1, 408/127

Tool Categories:

metalworking machines : drilling and boring : tapping machines

Assignees:

Parley I. Perrin - Unknown, Unknown

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Granted:	Mar. 14, 1871

Patent Pictures:

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Vintage Machinery entry for Hewes & Phillips

Description:

This patent was perhaps used by Hewes & Phillips of Newark, a maker of machine tools and drill presses, plus water valves, steam engines, and rock drills.