US Patent: 147,654
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Screw Driver Improvement in Screwdriver blades
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Patentee:
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Sylvanus R. Kneeland (exact or similar names) - Charlsetown, MA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Feb. 02, 1874 |
Granted: |
Feb. 17, 1874 |
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Steve Gosselin
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Description: |
This Patent is an improvement of Patent145506, Its for a sleeve that keeps the screwdriver from slipping off the screw and damaging the surface that the screw is being driven into. |
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