US Patent: 6,271X
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Wrench
Improved Bed Key
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Patentees:
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| Judson Blake (exact or similar names) - Providence, RI |
| Daniel Cushing (exact or similar names) - Providence, RI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Dec. 14, 1830 |
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Patent Pictures:
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Blake & Cushing Dec. 14, 1830 -- Bed Key |
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Stan Schulz
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Description: |
| 1st wrench patent observed in U.S. Patent files. The patent describes a "cross-shaped" bed key with wrench sockets at the crossing and in the ends of the arms. Not known to have been produced. |
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