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US Patent: 894,228
Boring machine
Patentees:
Arthur E. Welker - Cleveland, OH
Julius A. Dreher - Cleveland, OH
Walter D. Price - Cleveland, OH

USPTO Classifications:
408/121, 408/79

Tool Categories:
metalworking machines : drilling and boring
woodworking machines : handheld power tools
woodworking machines : wood drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

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

Patent Pictures:
USPTO pdf tiff
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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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