US Patent: 387,409
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Screwdriver
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Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Dec. 14, 1885 |
Granted: |
Aug. 07, 1888 |
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Steve Gosselin
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Description: |
Round bodied screwdriver blade with the end contained within the handle reduced to a cross shaped cross section to secure the blade in the handle. |
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