US Patent: 108,330
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Wrenches
Improvements in Socket-Wrenches
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Patentee:
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| James F. Cass (exact or similar names) - L'Original, ON Canada |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 10, 1870 |
| Granted: |
Oct. 18, 1870 |
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Patent Pictures:
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James F. Cass Pat. Oct. 18, 1870 |
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Stan Schulz
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Description: |
| A spring-loaded central guide pin and several nested sleeves are the core of this multi-sized brace socket wrench.
The parallel Canadian patent is CA-1135 issued September 9, 1871.
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