US Patent: 3,288,184
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| Phillips head screw starter
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Patent Dates:
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| Applied: |
Dec. 28, 1964 |
| Granted: |
Nov. 29, 1966 |
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Patent Pictures:
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Patent 3,288,184 - edited drawing |
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Stan Schulz
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Description: |
| The "V" shape "blade" tips grip the sides of two "slots" of a Phillips head screw and other screws with "cruciform" or "cross-cut" slots. Alternate forms for the overall tool are presented.
The specifications note related patent no. 3,208,489, and 1,846,857 is noted as a reference. |
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