US Patent: 3,208,489
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| Phillips head screw starter
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 18, 1962 |
| Granted: |
Sep. 28, 1965 |
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Patent Pictures:
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Patent 3,208,489 - edited drawing |
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Stan Schulz
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Description: |
| "V" shaped tips spread to grip "cruciform" slots of Phillips and similar screws (viz patent nos. 2,046,837, 2,474,994 and 2,507,231).
The original application was divided, and 3,288,184 resulted from the other portion. |
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