US Patent: 2,046,838
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Screw Driver
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Patentee:
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Henry F. Phillips (exact or similar names) - Portland, OR |
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Patent Dates:
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Applied: |
Jul. 03, 1934 |
Granted: |
Jul. 07, 1936 |
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Steve Gosselin
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Description: |
Phillips head screwdriver. Patent for the screw is 2046839.See also Patent 2507231 for a later Phillips head screwdriver Patent. |
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