US Patent: 1,105,535
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| Screw Extractor
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Patentee:
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| Julius O. Roberts (exact or similar names) - Salina, KS |
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Patent Dates:
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| Applied: |
Mar. 24, 1913 |
| Granted: |
Jul. 28, 1914 |
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Patent Pictures:
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Julius O Roberts Patent 1,105,535 - early "review" from STEAM |
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Stan Schulz
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Description: |
| Tapered steep spiral twist (left hand for right-hand threaded screws), with biting edge, to be inserted in a hole drilled in a broken screw or bolt, and turned with a tap wrench, etc.
EZY-OUT produced by Cleveland Twist Drill Co. starting in 1916. |
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