US Patent: 698,001
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Lengthening Attachment for Bits
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Patentee:
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Benjamin F. Foss (exact or similar names) - Albion, ME |
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Patent Dates:
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Applied: |
May 03, 1901 |
Granted: |
Apr. 22, 1902 |
Patent Pictures:
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USPTO (New site tip) Google Patents
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Jeff Joslin (dm)
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Description: |
The primary purpose of this bit extension is to be able to follow in smaller holes than others available - as small as 5/8". |
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