CA Patent: CA-24,298
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| Wrench
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Patentee:
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| Henry Bornstein (exact or similar names) - Boston, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 26, 1886 |
| Granted: |
Jun. 15, 1886 |
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Patent Pictures:
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1 | 2
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Henry Bornstein patent June 15, 1886 - edited from Canadian Patent Office Record |
CIPO Data
Espacenet patent
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Stan Schulz
24,298 in Canadian Patents Database
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Description: |
| Corresponding U.S. patent 338,707 was granted March 30, 1886. The wrench has dual left- and -right hand threading to generate rapid adjustment, and includes a pop-out screwdriver in the outer jaw.
Modifications of this patent which dropped the screwdriver and added an adjustment locking ring to the lower jaw received British patent GB-188802927 (registered Feb. 27, 1888) and further evolution in U.S. patent no. 434,912 granted Aug. 26, 1890. |
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