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US Patent: 1,011,098
Boring-machine
Patentee:
Wilbur H. Washburn (exact or similar names) - Wildwood, NJ

USPTO Classifications:
408/100, 408/52

Tool Categories:
trade specific : electrician

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. F. Pinker
David C. Bayless

Patent Dates:
Applied: Nov. 19, 1909
Granted: Dec. 05, 1911

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Description:
This boring machine is intended to drill multiple holes simultaneously, especially "by electricians for boring holes in the studding or joists of buildings".

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