US Patent: 1,011,098 - Boring-machine


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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:

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Description:

This boring machine is intended to drill multiple holes simultaneously, especially "by electricians for boring holes in the studding or joists of buildings".