US Patent: 1,011,098
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Boring-machine
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Patentee:
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Wilbur H. Washburn (exact or similar names) - Wildwood, NJ |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Nov. 19, 1909 |
Granted: |
Dec. 05, 1911 |
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Jeff Joslin
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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". |
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