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US Patent: 894,228
Boring machine
Patentees:
Arthur E. Welker (exact or similar names) - Cleveland, OH
Julius A. Dreher (exact or similar names) - Cleveland, OH
Walter D. Price (exact or similar names) - Cleveland, OH

USPTO Classifications:
408/121, 408/79

Tool Categories:
metalworking machines : drilling and boring
trade specific : plumber
handheld power tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 07, 1905
Granted: Jul. 28, 1908

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Description:
This is an attachment for a drill or auger that is used to drill holes in joists for plumbing pipes.

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